case study class 9 science chapter 6

• Tissues Class 9 Case Study Questions Science Chapter 6

Last Updated on August 2, 2024 by XAM CONTENT

Hello students, we are providing case study questions for class 9 science. Case study questions are the new question format that is introduced in CBSE board. The resources for case study questions are very less. So, to help students we have created chapterwise case study questions for class 9 science. In this article, you will find case study questions for cbse class 9 science chapter 6 Tissues.

Table of Contents

Case Study Questions on Tissues

Question 1:

Epithelial tissue or epithelium forms the outer covering of the skin and also lines the body cavity. It forms the lining of respiratory, digestive, reproductive and excretory tracts. They perform various functions such as absorption, protection, sensation and secretion. Epithelial tissue cells are tightly packed and form a continuous sheet. They have only a small amount of cementing material between them and almost no intercellular spaces. Epithelial cells may be squamous, cuboidal or columnar in shape and may be arranged in single or multiple layers.

Read the given passage carefully and give the answer of the following questions:

Q 1. Name the tissue present under the skin and arranged in a pattern of layers.

Difficulty Level: Easy

Q 2. Name any one location in our body which bears ciliated epithelium.

Difficulty Level: Medium

Q 3. Name the epithelial tissue which has pillar-like tall cells.

Q 4. State how the epithelium is separated from the underlying tissue.

Q 5. Write a short note on epithelial tissue cells.

• Stratified squamous epithelium
• Respiratory tract
• Columnar epithelium
• Epithelium is separated from underlying tissue by an extracellular fibrous basement membrane.
• Epithelial tissue cells are tightly packed and forms a continuous sheet. They have no intercellular spaces.

Case study questions for other chapters of class 9 science is given below.

• Force and Laws of Motion Class 9 Case Study Questions Science Chapter 8
• Motion Class 9 Case Study Questions Science Chapter 7
• The Fundamental Unit of Life Class 9 Case Study Questions Science Chapter 5

Is Matter Around Us Pure Class 9 Case Study Questions Science Chapter 2

Matter in our surroundings class 9 case study questions science chapter 1.

We hope the given case study questions for Tissues Class 9 helps you in your learning.

Topics from which case study questions may be asked

• Organs, Organ System and Organism
• Structure and functions of animal and plant tissues (only four types of tissues in animals)
• Meristematic and Permanent tissues in plants

The chapter “The Fundamental Unit of Life” in CBSE Class 9 deals with the structure and function of animal and plant tissues.

A group of cells that are similar in structure, arranged and designed to give the highest possible efficiency of function at a definite place in the body, e.g., blood, phloem and muscles.

In unicellular organisms like Amoeba, single cell performs all basic functions whereas in multicellular organisms like plants and animals, division of labour is seen, i.e., each specialised function is taken up by a different group of cells (tissues).

Study of tissues is called Histology.

For further practice on case study questions related to Tissues Class 9 Science, we recommend exploring the link given below.

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Frequently Asked Questions (FAQs) on Tissues Case Study Questions

Q1: what are case study questions for cbse examinations.

A1: Case study questions in CBSE examinations typically involve scenarios or real-life examples, requiring students to apply their understanding of concepts to solve problems or analyze situations.

Q2: Why are case study questions important for understanding class 9 science chapters?

A2: Case study questions provide a practical context for students to apply theoretical knowledge to real-world situations, fostering deeper understanding and critical thinking skills.

Q3: How should students approach answering case study questions for CBSE?

A3: Students should carefully read the case study, identify the key issues or problems presented, analyze the information provided, apply relevant concepts and principles of chemical reactions and equations, and formulate well-supported solutions or responses.

Q4: Are there any resources available online for students to practice case study questions on class 9 science chapters for CBSE exams?

A4: Yes, several educational websites offer case study questions for CBSE students preparing for science examinations. We also offer a collection of case study questions for all classes and subject on our website. Visit our website to access these questions and enhance your learning experience. If you need more case study questions for your preparation, then you visit Physics Gurukul website.

Q5: How can students effectively prepare for case study questions on “Tissues” for CBSE exams?

A5: Effective preparation strategies include regular revision of concepts, solving practice questions, analyzing case studies from previous exams, seeking clarification on doubts, and consulting with teachers or peers for guidance and support.

Q6: How can teachers incorporate case study questions on “Tissues” class 9 science into classroom teaching?

A6: Teachers can integrate case studies into lesson plans, group discussions, or interactive activities to engage students in active learning, promote problem-solving skills, and facilitate a deeper understanding of “Tissues”.

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Class 9 Science Case Study Questions

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myCBSEguide App

Download the app to get CBSE Sample Papers 2023-24, NCERT Solutions (Revised), Most Important Questions, Previous Year Question Bank, Mock Tests, and Detailed Notes.

If you are wondering how to solve class 9 science case study questions, then myCBSEguide is the best platform to choose. With the help of our well-trained and experienced faculty, we provide solved examples and detailed explanations for the recently added Class 9 Science case study questions.

You can find a wide range of solved case studies on myCBSEguide, covering various topics and concepts. Class 9 Science case studies are designed to help you understand the application of various concepts in real-life situations.

The rationale behind Science

Science is crucial for Class 9 students’ cognitive, emotional, and psychomotor development. It encourages curiosity, inventiveness, objectivity, and aesthetic sense.

In the upper primary stage, students should be given a variety of opportunities to engage with scientific processes such as observing, recording observations, drawing, tabulating, plotting graphs, and so on, whereas in the secondary stage, abstraction and quantitative reasoning should take a more prominent role in science teaching and learning. As a result, the concept of atoms and molecules as matter’s building units, as well as Newton’s law of gravitation, emerges.

Science is important because it allows Class 9 Science students to understand the world around us. It helps to find out how things work and to find solutions to problems at the Class 9 Science level. Science is also a source of enjoyment for many people. It can be a hobby, a career, or a source of intellectual stimulation.

Case study questions in Class 9 Science

The inclusion of case study questions in Class 9 science CBSE is a great way to engage students in critical thinking and problem-solving. By working through real-world scenarios, Class 9 Science students will be better prepared to tackle challenges they may face in their future studies and careers. Class 9 Science Case study questions also promote higher-order thinking skills, such as analysis and synthesis. In addition, case study questions can help to foster creativity and innovation in students. As per the recent pattern of the Class 9 Science examination, a few questions based on case studies/passages will be included in the CBSE Class 9 Science Paper. There will be a paragraph presented, followed by questions based on it.

Examples of Class 9 science class case study questions

Class 9 science case study questions have been prepared by myCBSEguide’s qualified teachers. Class 9 case study questions are meant to evaluate students’ knowledge and comprehension of the material. They are not intended to be difficult, but they will require you to think critically about the material. We hope you find Class 9 science case study questions beneficial and that they assist you in your exam preparation.

The following are a few examples of Class 9 science case study questions.

Class 9 science case study question 1

• due to its high compressibility
• large volumes of a gas can be compressed into a small cylinder
• transported easily
• all of these
• shape, volume
• volume, shape
• shape, size
• size, shape
• the presence of dissolved carbon dioxide in water
• the presence of dissolved oxygen in the water
• the presence of dissolved Nitrogen in the water
• liquid particles move freely
• liquid have greater space between each other
• both (a) and (b)
• none of these
• Only gases behave like fluids
• Gases and solids behave like fluids
• Gases and liquids behave like fluids
• Only liquids are fluids

Answer Key:

• (d) all of these
• (a) shape, volume
• (b) the presence of dissolved oxygen in the water
• (c) both (a) and (b)
• (c) Gases and liquids behave like fluids

Class 9 science case study question 2

• 12/32 times
• 18 g of O 2
• 18 g of CO 2
• 18 g of CH 4
• 1 g of CO 2
• 1 g of CH 4 CH 4
• 2 moles of H2O
• 20 moles of water
• 6.022  ×  1023 molecules of water
• 1.2044  ×  1025 molecules of water
• (I) and (IV)
• (II) and (III)
• (II) and (IV)
• Sulphate molecule
• Ozone molecule
• Phosphorus molecule
• Methane molecule
• (c) 8/3 times
• (d) 18g of CH ​​​​​4
• (c) 1g of H ​​​​​​2
• (d) (II) and (IV)
• (c) phosphorus molecule

Class 9 science case study question 3

• collenchyma
• chlorenchyma
• It performs photosynthesis
• It helps the aquatic plant to float
• It provides mechanical support
• Sclerenchyma
• Collenchyma
• Epithelial tissue
• Parenchyma tissues have intercellular spaces.
• Collenchymatous tissues are irregularly thickened at corners.
• Apical and intercalary meristems are permanent tissues.
• Meristematic tissues, in its early stage, lack vacuoles, muscles
• (I) and (II)
• (III) and (I)
• Transpiration
• Provides mechanical support
• Provides strength to the plant parts
• None of these
• (a) Collenchyma
• (b) help aquatic plant to float
• (b) Sclerenchyma
• (d) Only (III)
• (c) provide strength to plant parts

Cracking Class 9 Science Case Study Questions

There is no one definitive answer to Class 9 Science case study questions. Every case study is unique and will necessitate a unique strategy. There are, nevertheless, certain general guidelines to follow while answering case study questions.

• To begin, double-check that you understand the Class 9 science case study questions. Make sure you understand what is being asked by reading it carefully. If you’re unclear, seek clarification from your teacher or tutor.
• It’s critical to read the Class 9 Science case study material thoroughly once you’ve grasped the question. This will provide you with a thorough understanding of the problem as well as the various potential solutions.
• Brainstorming potential solutions with classmates or other students might also be beneficial. This might provide you with multiple viewpoints on the situation and assist you in determining the best solution.
• Finally, make sure your answer is presented simply and concisely. Make sure you clarify your rationale and back up your claim with evidence.

A look at the Class 9 Science Syllabus

The CBSE class 9 science syllabus provides a strong foundation for students who want to pursue a career in science. The topics are chosen in such a way that they build on the concepts learned in the previous classes and provide a strong foundation for further studies in science. The table below lists the topics covered in the Class 9 Science syllabus of the Central Board of Secondary Education (CBSE). As can be seen, the Class 9 science syllabus is divided into three sections: Physics, Chemistry and Biology. Each section contains a number of topics that Class 9 science students must study during the course.

CBSE Class 9 Science (Code No. 086)

Theme: Materials Unit I: Matter-Nature and Behaviour Definition of matter; solid, liquid and gas; characteristics – shape, volume, density; change of state-melting (absorption of heat), freezing, evaporation (cooling by evaporation), condensation, sublimation. Nature of matter:  Elements, compounds and mixtures. Heterogeneous and homogenous mixtures, colloids and suspensions. Particle nature and their basic units:  Atoms and molecules, Law of constant proportions, Atomic and molecular masses. Mole concept: Relationship of mole to mass of the particles and numbers. Structure of atoms:  Electrons, protons and neutrons, valency, the chemical formula of common compounds. Isotopes and Isobars.

Theme: The World of the Living Unit II: Organization in the Living World Cell – Basic Unit of life:  Cell as a basic unit of life; prokaryotic and eukaryotic cells, multicellular organisms; cell membrane and cell wall, cell organelles and cell inclusions; chloroplast, mitochondria, vacuoles, endoplasmic reticulum, Golgi apparatus; nucleus, chromosomes – basic structure, number. Tissues, Organs, Organ System, Organism: Structure and functions of animal and plant tissues (only four types of tissues in animals; Meristematic and Permanent tissues in plants).

Theme: Moving Things, People and Ideas Unit III: Motion, Force and Work Motion:  Distance and displacement, velocity; uniform and non-uniform motion along a straight line; acceleration, distance-time and velocity-time graphs for uniform motion and uniformly accelerated motion, derivation of equations of motion by graphical method; elementary idea of uniform circular motion. Force and Newton’s laws:  Force and Motion, Newton’s Laws of Motion, Action and Reaction forces, Inertia of a body, Inertia and mass, Momentum, Force and Acceleration. Elementary idea of conservation of Momentum. Gravitation:  Gravitation; Universal Law of Gravitation, Force of Gravitation of the earth (gravity), Acceleration due to Gravity; Mass and Weight; Free fall. Floatation:  Thrust and Pressure. Archimedes’ Principle; Buoyancy. Work, energy and power:  Work done by a Force, Energy, power; Kinetic and Potential energy; Law of conservation of energy. Sound:  Nature of sound and its propagation in various media, speed of sound, range of hearing in humans; ultrasound; reflection of sound; echo.

Theme: Food Unit IV: Food Production Plant and animal breeding and selection for quality improvement and management; Use of fertilizers and manures; Protection from pests and diseases; Organic farming.

PRESCRIBED BOOKS:

• Science-Textbook for class IX-NCERT Publication
• Assessment of Practical Skills in Science-Class IX – CBSE Publication
• Laboratory Manual-Science-Class IX, NCERT Publication
• Exemplar Problems Class IX – NCERT Publication

myCBSEguide: A true helper

There are numerous advantages to using myCBSEguide to achieve the highest results in Class 9 Science.

• myCBSEguide offers high-quality study materials that cover all of the topics in the Class 9 Science curriculum.
• myCBSEguide provides practice questions and mock examinations to assist students in the best possible preparation for their exams.
• On our myCBSEguide app, you’ll find a variety of solved Class 9 Science case study questions covering a variety of topics and concepts. These case studies are intended to help you understand how certain principles are applied in real-world settings
• myCBSEguide is that the study material and practice problems are developed by a team of specialists who are always accessible to assist students with any questions they may have. As a result, students may be confident that they will receive the finest possible assistance and support when studying for their exams.

So, if you’re seeking the most effective strategy to study for your Class 9 Science examinations, myCBSEguide is the place to go!

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Case Study Questions of Class 9 Science PDF Download

Download PDF Case Study Questions of Class 9 Science to prepare for the upcoming CBSE Class 9 Exams Exam 2023-24. With the help of our well-trained and experienced faculty, we provide solved examples and detailed explanations for the recently added  Class 9 Science case study questions .

Case study questions are based on real or hypothetical scenarios that require students to analyze, evaluate, and apply scientific concepts to solve problems or make informed decisions. They often present a detailed context, providing students with the opportunity to demonstrate their understanding of the subject matter beyond basic recall.

Table of Contents

Class 9 Science: Case Study Questions

The inclusion of case study questions in Class 9 science CBSE is a great way to engage students in critical thinking and problem-solving. By working through real-world scenarios, Class 9 Science students will be better prepared to tackle challenges they may face in their future studies and careers. Class 9 Science Case study questions also promote higher-order thinking skills, such as analysis and synthesis. In addition, case study questions can help to foster creativity and innovation in students. As per the recent pattern of the Class 9 Science examination, a few questions based on case studies/passages will be included in the CBSE Class 9 Science Paper. There will be a paragraph presented, followed by questions based on it.

Chapterwise Case Study Questions of Class 9 Science

• Case Study Questions for Chapter 1 Matter in Our Surroundings
• Case Study Questions for Chapter 2 Is Matter Around Us Pure?
• Case Study Questions for Chapter 3 Atoms and Molecules
• Case Study Questions for Chapter 4 Structure of Atom
• Case Study Questions for Chapter 5 The Fundamental Unit of Life
• Case Study Questions for Chapter 6 Tissues
• Case Study Questions for Chapter 7 Diversity in Living Organisms
• Case Study Questions for Chapter 8 Motion
• Case Study Questions for Chapter 9 Force and Laws of Motion
• Case Study Questions for Chapter 10 Gravitation
• Case Study Questions for Chapter 11 Work and Energy
• Case Study Questions for Chapter 12 Sound
• Case Study Questions for Chapter 13 Why do we Fall ill
• Case Study Questions for Chapter 14 Natural Resources
• Case Study Questions for Chapter 15 Improvement in Food Resources

You can find a wide range of solved case studies on cbseexperts, covering various topics and concepts. Class 9 Science case studies are designed to help you understand the application of various concepts in real-life situations.

Class 9 Science Syllabus

Unit I: Matter-Nature and Behaviour

 Definition of matter; solid, liquid, and gas; characteristics – shape, volume, density; change of statementing (absorption of heat), freezing, evaporation (cooling by evaporation), condensation, sublimation.

Nature of matter:  Elements, compounds, and mixtures. Heterogeneous and homogenous mixtures, colloids, and suspensions. Physical and chemical changes (excluding separating the components of a mixture).

Particle nature and their basic units:  Atoms and molecules, Law of Chemical Combination, Chemical formula of common compounds, Atomic and molecular masses.

Structure of atoms:  Electrons, protons and neutrons, Valency, Atomic Number and Mass Number, Isotopes and Isobars.

Unit II: Organization in the Living World

Cell – Basic Unit of life:  Cell as a basic unit of life; prokaryotic and eukaryotic cells, multicellular organisms; cell membrane and cell wall, cell organelles and cell inclusions; chloroplast, mitochondria, vacuoles, endoplasmic reticulum, Golgi apparatus; nucleus, chromosomes – basic structure, number.

Tissues, Organs, Organ System, Organism:  Structure and functions of animal and plant tissues (only four types of tissues in animals; Meristematic and Permanent tissues in plants).

Unit III: Motio n, Force,  and Work

Motion:  Distance and displacement, velocity; uniform and non-uniform motion along a straight line; acceleration, distance-time and velocity-time graphs for uniform motion and uniformly accelerated motion, elementary idea of uniform circular motion.

Force and Newton’s laws:  Force and Motion, Newton’s Laws of Motion, Action and Reaction forces, Inertia of a body, Inertia and mass, Momentum, Force and Acceleration.

Gravitation:  Gravitation; Universal Law of Gravitation, Force of Gravitation of the earth (gravity), Acceleration due to Gravity; Mass and Weight; Free fall. Floatation: Thrust and Pressure. Archimedes’ Principle; Buoyancy.

Work, Energy and Power:  Work done by a Force, Energy, power; Kinetic and Potential energy; Law of conservation of energy (excluding commercial unit of Energy).

Sound: Nature of sound and its propagation in various media, speed of sound, range of hearing in humans; ultrasound; reflection of sound; echo.

Unit IV: Food Production

Plant and animal breeding and selection for quality improvement and management; Use of fertilizers and manures; Protection from pests and diseases; Organic farming.

Books for Class 9 Science Exams

Benefits of Case Study Questions

• Enhancing Analytical Skills : Case study questions challenge students to analyze complex scenarios, identify relevant information, and derive meaningful insights. By engaging with these questions, students develop critical analytical skills that are essential for scientific thinking and problem-solving.
• Promoting Critical Thinking : Case study questions encourage students to think critically and evaluate different perspectives. They require students to reason, make logical deductions, and justify their answers with supporting evidence. This process helps in honing their critical thinking abilities, enabling them to approach problems from multiple angles.
• Encouraging Practical Application of Concepts : By presenting real-world or hypothetical situations, case study questions promote the application of scientific concepts in practical scenarios. This application-based approach fosters a deeper understanding of the subject matter and helps students see the relevance of what they learn in the classroom to everyday life.

Case study questions of Class 9 Science provide students with an opportunity to apply their knowledge, enhance analytical skills, and think critically. By understanding the format, benefits, and effective strategies for answering case study questions, students can excel in this form of assessment. While challenges may arise, practicing time management, improving information extraction skills, and enhancing observation abilities will enable students to overcome these obstacles and perform well. Embracing case study questions as a valuable learning tool can contribute to a holistic understanding of scientific concepts and foster problem-solving abilities.

1. What is the purpose of case study questions in Class 9 Science?

Case study questions serve the purpose of evaluating a student’s understanding of scientific concepts, their ability to apply knowledge in real-life situations, and their analytical and critical thinking skills.

2. How can case study questions help improve analytical skills?

Case study questions require students to analyze complex scenarios, identify relevant information, and derive meaningful insights. Regular practice with such questions can significantly enhance analytical skills.

3. Are case study questions difficult to answer?

Case study questions can be challenging due to their comprehensive nature and the need for critical thinking. However, with practice and effective strategies, students can develop the skills necessary to answer them effectively.

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NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12

NCERT Solutions For Class 9 Science Chapter 6 Tissues

NCERT Solutions Class 9 Science Chapter 6 Tissues – Here are all the NCERT solutions for Class 9 Science Chapter 6. This solution contains questions, answers, images, step by step explanations of the complete Chapter 6 titled Tissues of Science taught in class 9. If you are a student of class 9 who is using NCERT Textbook to study Science, then you must come across Chapter 6 Tissues. After you have studied lesson, you must be looking for answers of its questions. Here you can get complete NCERT Solutions for Class 9 Science Chapter 6 Tissues in one place. For a better understanding of this chapter, you should also see Chapter 6 Tissues Class 9 notes , Science.

Topics and Sub Topics in Class 9 Science Chapter 6 Tissues:

• Are Plants and Animals Made of Same Types of Tissues?
• Plant Tissues
• Animal Tissues

These solutions are part of NCERT Solutions for Class 9 Science . Here we have given Class 9 NCERT Science Textbook Solutions for Chapter 6 Tissues.

IN-TEXT QUESTIONS SOLVED

NCERT Textbook for Class 9 Science – Page 69

Question 1. What is a tissue? Answer:  A group of cells that are similar in structure and work together to do a peculiar function is called tissue.

More Resources for CBSE Class 9

NCERT Solutions

• NCERT Solutions Class 9 Maths
• NCERT Solutions Class 9 Social Science
• NCERT Solutions Class 9 English
• NCERT Solutions Class 9 Hindi
• NCERT Solutions Class 9 Sanskrit
• NCERT Solutions Class 9 IT
• RD Sharma Class 9 Solutions

Question 2. What is the utility of tissues in multicellular organisms? Answer:  Tissues provide structural strength, mechanical strength, show division of labour.

Formulae Handbook for Class 9 Maths and Science Educational Loans in India

Class 9 Science NCERT Textbook – Page 74

Question 1. Name types of simple tissues. Answer:  The types of simple tissues are parenchyma, collenchyma, sclerenchyma and aerenchyma.

Question 2. Where is apical meristem found? Answer:  Apical meristem is found at the tip of root or shoot of the plant.

Question 3. Which tissue makes up the husk of coconut? Answer:  The husk of coconut is made of sclerenchymatous tissue.

Question 4. What are the constituents of phloem? Answer:  Phloem is made up of four types of elements sieve tube, companion cells, phloem fibres and phloem parenchyma.

Class 9 Science NCERT Textbook – Page 78

Question 1. Name the tissue responsible for movement in our body. Answer:  1. Muscular tissue, 2. Nervous tissue, combination of both the tissues are responsible for movement in our body.

Question 3. Give three features of cardiac muscles. Answer:  Feature of cardiac muscles (1) Heart muscles (cardiac muscles) are cylindrical, branched and uninucleated (2) They are striated muscle fibres. (3) They are involuntary muscles, cannot be controlled by us.

Question 4. What are the Junctions of areolar tissue? Answer:  Areolar tissue are connective tissues found in animal. It is found between skin and muscles, around blood vessels and nerves and in the bone marrow. It fills the space inside the organs, supports internal organs and helps in the repair of tissues.

Questions From NCERT Textbook for Class 9 Science

Question 1. Define the term “tissue”. Answer:  Group of cells that are similar in structure and perform same function is called a tissue.

Question 2. How many types of elements together make up the xylem tissue? Name them. Answer:  The xylem is made up of vessels, trachieds, xylem fibres and xylem parenchyma.

Question 3. How are simple tissues different from complex tissues in plants? Answer:  Simple tissues are made up of one type of cells which coordinate to perform a common function. Complex tissues are made up of more than one type of cells. All these coordinate to perform a common function.

Question 4. Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell wall.  Answer:  Parenchyma: The cells have thin cell walls made up of cellulose. Collenchyma: The cells have cell walls thickened at the comers due to pectin deposition. Sclerenchyma: Their walls are thickened due to lignin deposition.

Question 5. What are the functions of stomata? Answer:  The outermost layer of the cell is called epidermis and is very porous. These pores are called stomata. These stomata help in transpiration and exchange of gases.

Question 7. What is the specific function of the cardiac muscle? Answer:  (1) Cardiac muscles cells are cylindrical, branched and uninucleated. (2) They are involuntary muscles. (3) They show rhythmically contraction and relaxation throughout life. (4) Their rhythmic contraction and relaxation helps in pumping action of heart.

Question 10. Name the following: (1) Tissue that forms the inner lining of our mouth. (2) Tissue that connect muscle to bone in humans. (3) Tissue that trar-carts food in plants. (4) Tissue that siwea j’ut in our body. (5) Connective tissue with a fluid matrix. (6) Tissue present in the brain. Answer:  (1) Squamous epithelium (2) Tendons (3) Phloem (4) Areolar tissue (5) Blood (6) Nervous tissue

Question 11. Identify the type of tissue in the following: Skin, bark of tree, bone, lining of kidney tubule, vascular bundle. Answer:  (a) Skin—Striated squamous epithelium (b) Bark of tree—Cork, protective tissue (c) Bone—Connective tissue (d) Lining of kidney tubule—Cuboidal epithelium tisse (e) Vascular bundle—Conducting tissue

Question 12. Name the regions in which parenchyma tissue is present. Answer:  In the pith of the roots and stems. When it contains chlorophyll, it is called chlorenchyma, found in green leaves. In aquatic plants, parenchyma contains large air cavities and help them to float. Such type of parenchyma is called aerenchyma.

Question 13. What is the role of epidermis in plants? Answer:  Cells of epidermis forms a continuous layer without intercellular spaces. It protects all the parts of plants.

Question 14. How does the cork act as a protective tissue? Answer:  Cork acts as a protective tissue because its cells are dead and compactly arranged without intercellular spaces. They have deposition of suberin on the walls that make them impervious to gases and water.

NCERT Solutions for Class 9 Science Chapter 6 Tissues (Hindi Medium)

MORE QUESTIONS SOLVED

NCERT Solutions for Class 9 Science Chapter 6  Multiple Choice Questions Choose the correct option: 1. The cells of cork are dead and have a chemical in their walls that makes them impervious to gases and water. The chemical is (a) lignin (b) suberin (c) cutin (d) wax 2. The flexibility in plants is due to a tissue called, (a) chlorenchyma (b) parenchyma (c) sclerenchyma (d) collenchyma 3. The tissue present in the lining of kidney tubules and ducts of salivary glands is (a) squamous epithelium tissue (b) glandular epithelium tissue (4 cuboidal epithelium tissue (d) columnar epithelium tissue 4. The connective tissue that connects muscle to bone is called (a) ligament (b) tendon (d) cartilage (d) areolar 5. The tissue that helps in the movement of our body are (a) muscular tissue (b) skeletal tissue (c) nervous tissue (d) all of the above 6. Monocyte, basophil, eosinophil and neutrophil are the examples of different types of (a) red blood cells (b) white blood cells (c) areolar tissue (d) compact bone 7. The spindle shaped cells, uninucleated and unbranched are present in muscular tissue of  (a) striated muscles (b) smooth muscles (c) cardiac muscle (d) both (a) and (b) 8. Sieve tubes and companion cells are present in (a) xylem (b) phloem (c) cork (d) cambium 9. The size of the stem increases in the width due to (a) apical meristem (b) intercalary meristem (c) primary meristem (d) lateral meristem 10. Blood and lymph are types of (a) muscular tissue (b) epithelial tissue (c) connective tissue (d) permanent tissue 11. Cartilage and bone are types of (a) muscular tissue (b) connective tissue (c) meristematic tissue (d) epithelial tissue 12. Xylem and phloem are examples of (a) epidermal tissue (b) simple tissue (c) protective tissue (d) complex tissue 13. A tissue whose cells are capable of dividing and re-dividing is called (a) complex tissue (b) connective tissue (c) protective tissue (d) meristematic tissue 14. The tissue that helps in the secretion and absorption and is found in the inner lining of the alimentary canal is (a) ciliated epithelium (b) cuboidal epithelium (c) squamous epithelium (d) columnar epithelium Answer:  1—(b), 2—(d), 3—(c), 4—(b), 5—(d), 6—(b), 7—(b), 8—(b), 9—(d), 10—(c),11—(b), 12—(d), 13—(d), 14—(d).

Ncert solutions for class 9 science chapter 6 very short answer type questions.

Question 1. Name the tissues responsible for the movement of the body. Answer:  Muscle tissue and nervous tissue

Question 2. How does neuron look like? Answer:  A neuron is the unit cell of nervous tissue. It is a thread-like structure with cell body and axon.

Question 3. Name the types of simple tissues. Answer:  (a) Parenchyma (b) Collenchyma (c) Sclerenchyma

Question 4. Name the types of complex tissues. Answer:  Xylem and phloem.

Question 5. Where is apical meristem found? . Answer:  It is present at the growing tips of stem and root, it increases the length of the stem and roots.

Question 6. Which tissue make up the husk of coconut? Answer:  Sclerenchyma.

Question 7. What are the constituents of phloem? Answer:  Phloem constitutes the sieve tubes, companion cell, phloem parenchyma and phloem fibres.

Question 8. Define aerenchyma. Answer:  When the cells have air-filled large cavities of parenchyma, it is called aerenchyma. Aerenchyma helps aquatic plants in floating.

Question 9. What is the utility of tissues in multicellular organisms? Answer:  It helps in growth, organisation of different organs and performing functions.

Question 10. Name the two types of tissues. Answer:  Plant tissues and animal tissues.

Question 11. Name the two types of plant tissue. Answer:  Meristematic tissue and permanent tissue.

Question 12. What is differentiation? Answer:  The process of taking up a permanent shape, size and function by cells is called differentiation.

Question 13. Name the three types of meristematic tissues. Answer:  The three types are: (a) Apical tissue—tips of root and shoot (b) Lateral tissue—sides of stem (c) Intercalary tissue—at nodes

Question 14. Where is apical tissue found? Answer:  Present at the tips of roots and stems.

Question 15. Tissues present at the lateral surface of the stem are called apical tissues. Put (T) if true and put (F) if false. Rewrite the answer if (F). Answer:  (F). Tissues present at the lateral surface of the stem are called lateral tissue.

Question 16. Which tissues are present at the nodes of the plants? Answer:  Intercalary tissue.

Question 17. What are the various types of blood cells? Answer:  There are three types: (a) RBC’s (b) WBC’s and (c) Platelets.

Question 18. What are tracheids? Answer:  They are elongated cells with tapering ends.

Question 19. What are guard cells? Answer:  Each stomata is bounded by a pair of specialised kidney-shaped epidermal cells called guard cells.

Question 20. Epithelial tissue is the simplest tissue. Write (F) for false or (T) for true. Answer:  (T).

Question 21. What are the functions of cuboidal epithelium? Answer:  It helps in absorption, excretion, secretion, it also provides mechanical support.

NCERT Solutions for Class 9 Science Chapter 6 Short Answer Type Questions

Question 2. Give the functions of bone. Answer:  The functions of bone are: (i) It provides shape to the body. (ii) It provides skeletal support to the body. (iii) It anchors the muscles. (iv) It protects the vital body organs like brain, lungs, etc.

Question 3. Give the functions of cartilage. . Answer:  (i) It provides support and flexibility to the body parts. (ii) It smoothens surface at joints.

Question 4. Fill in the blanks: (i) Water and minerals are conducted by …………………. (ii) In higher plants food is conducted by …………………….. (iii) Blood is a ……………. tissue. (iv) Bone consists of………….cells. (v) Cartilage consists of………………..cells. (vi) Fibres are absent in………….type of connective tissue. Answer:  (i) Xylem (ii) Phloem (iii) Connective (iv) Osteocyte (v) Chondrocyte (vi) Blood

Question 5. What are the functions of areolar tissue? Answer:  Functions are: (i) It helps in repair of tissues after an injury. (ii) It also helps in combating foreign toxins. (iii) It fixes skin to underlying muscles.

Question 8. Name the tissues for the following: (a) Stores fat in animal body. (b) Divides and re-divides to grow in plants. (c) Tissue that joins hone to hone. (d) Covers the external surface of animal body. Answer:  (a) Adipose tissue (b) Meristematic tissue . (c) Ligament (d) Epithelial tissue.

Question 9. What is stomata? Answer:  Stomata are small pores present on the surface of a leaf which helps in the exchange of gases and in transpiration.

Question 10. Why does epidermal tissue have no intercellular space? Answer:  The epidermal (layer) tissue forms a protective outer covering for the plants and it protects the internal parts of the plant. It aid in the protection against loss of water, mechanical injury and invasion by parasitic fungi. For this protective role to play the continuation of cells is necessary, hence it does not have intercellular space.

Question 11. Name and give the function of each cell of xylem:. Answer:  Xylem consists of tracheids, vessels, xylem parenchyma and xylem fibres. Tracheids and vessels—Allows the transport of water and minerals. Xylem parenchyma—Stores food and helps in the sideways conduction of water. Xylem fibres—Are supportive in function.

Question 12. What is the function and location of stratified squamous epithelium? Answer:  Stratified squamous epithelium is present in the skin. The layers of cells are arranged to prevent wear and tear.

Question 16. Name all different types of tissues present in animal. Answer:  There are four main types of tissues present in animal. ‘ (a) Epithelial tissue present on the outer and inner lining of the body. (b) Muscular tissue are made up of muscles, help in movement. (c) Connective tissue connects the different organs in the body. (d) Nervous tissue consists of nerve cells and are present in the nervous system.

Question   17. Why is blood called connective tissue? Answer:  The blood is composed of cells and plasma. Plasma is a fluid and cells like red blood cells, white blood cells and platelets are present in it. All these cells are connected due to plasma. It also transports food, water to different parts of the body and connects them.

Question 18. Name three types of muscle tissues and give function of each. Answer:  Three types of muscle tissues are: (a) Striated muscle (b) Smooth muscle (c) Cardiac muscle (a) Striated muscle: These muscles show alternate light and dark bands or striations. They are involuntary and present in skeletal tissues,, help in movement of body and bones. (b) Smooth muscle: These are involuntary muscles, control the movement of food in alimentary canal, contraction and relaxation of blood vessels. Present in iris, uterus etc. (c) Cardiac muscle: These muscles are present in heart, help in the rhythmic contraction and relaxation throughout the life.

Question 22. Explain the structure, function and location of nervous tissue. Answer:  Structure: Nervous tissue consists of cells called nerve cells joined end to end (neurons). A neuron (nerve cell) consists of a cell body with nucleus and cytoplasm. From these cell body a long thin hair-like parts arise called axon and many short branched parts called dendrites. Location: Nervous tissue are present in brain, spinal cord and nerves. Function: Nervous tissue receives the stimuli and transmit the stimulus rapidly from one place to another within the body. The nerve impulse allows us to move our muscles and respond to any stimuli.

NCERT Solutions for Class 9 Science Chapter 6 Long Answer Type Questions

Question 4.Describe ‘epidermis’ in plants. Answer:  Epidermis forms the entire outermost layer of the plant. It is made up of single cell layer. It protects all the internal parts of the plant. On aerial parts, epidermis secretes waxy, water-resistant layer on their outer surface. This helps in protection against loss of water, mechanical injury and invasion of parasitic fungi. In leaves, epidermis consists of small pores called stomata. These pores helps in the transpiration and exchange of gases, like oxygen and carbon dioxide for plants. In roots, epidermis have long hair-like parts that provide greater surface for water absorption. In desert plants, epidermis has a thick waxy coating of cutin which acts as a water proofing agent.

Question 5. Explain the “complex tissue” of plants. Answer:  Complex tissues are made up of more than one type of cells. All these cells co-ordinate to perform common function. These are—xylem and phloem. Both are conducting tissues and form a vascular bundle. Xylem consists of—tracheids, vessels, xylem parenchyma and xylem fibres. Most of these cells are dead. Tracheids and vessels helps in water transportation, parenchyma stores food and helps in the sideways conduction of water and fibres are mainly supportive in function. Phloem is made up of four types of elements—sieve tubes, companion cells, phloem fibres and phloem parenchyma. It helps in the transportation of food in both the directions, i.e. from leaves to roots and to other parts of the plant.

NCERT Solutions for Class 9 Science Chapter 6 Activity-Based Questions

NCERT Solutions for Class 9 Science Chapter 6 Value-Based Questions

Question 1. A group of students completed the project of finding the botanical names of all the trees present in the school campus. They prepared metal plates with names carved on it, to fix it on the plant trunks. Shreya was concerned that if the metal plate is fixed into tree many cells of the tree may get damaged. But the group members explained her that the outer layer of trunk does not have living cells and there won’t be any damage to the tree. (a) What type of cells are present on the outer layer of the bark/tree trunk? (b) How does the cprk act as a protective tissue? (c) What value of the group is seen in the above cast? Answer:  (a) On the outer layer of the tree trunk/bark all thick layer of dead cells is present which acts as protective tissue. (b) In cork, all cells are dead without intercellular spaces, the walls of the cells have deposition of suberin. (c) The students in a group show team effort, peer learning and co-operatiye.

Question 2. A paralytic patient was unable to walk. ‘The family member of the patient took the outmost care of the patient. (a) Name two tissues responsible for the movement of a body. (b) Name the tissues present in brain and spine. (c) What value of the family members is seen in the above case? Answer:  (a) The two tissues responsible for movement of the body are muscular tissue and nervous tissue. (b) The tissues present in brain and spine are nervous tissues. (c) The family members showed the value of being caring, responsible, dutiful and kind.

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NCERT Solutions for Class 9 Science Chapter 6 Tissues

Ncert solutions class 9 science chapter 6 – cbse free pdf download.

The NCERT Solutions for Class 9 Science Chapter 6 – Tissues is the best study material through which students can refer and prepare their notes for their CBSE exam. These NCERT Solutions are available chapter-wise, and students can also find answers to all the questions available in their Class 9 Science NCERT textbooks . Here, in this study material, students can find detailed explanations for all the topics, which are explained in simple language, along with examples, diagrams and a flowchart in a more accessible format.

Download Exclusively Curated Chapter Notes for Class 9 Science Chapter – 6 Tissues

Download most important questions for class 9 science chapter – 6 tissues.

NCERT Solutions for Class 9 Science Chapter 6 – Tissues are one of the most important topics in the CBSE  exam. The faculty have curated the solutions in a lucid manner to help students understand the concepts. For a clearer idea about the chapter, students can refer to the NCERT Solutions for Class 9 study materials available at BYJU’S.

• Chapter 1 Matter in Our Surroundings
• Chapter 2 Is Matter Around Us Pure
• Chapter 3 Atoms and Molecules
• Chapter 4 Structure of the Atom
• Chapter 5 The Fundamental Unit Of Life
• Chapter 7 Diversity in Living Organisms
• Chapter 8 Motion
• Chapter 9 Force and Laws Of Motion
• Chapter 10 Gravitation
• Chapter 11 Work and Energy
• Chapter 12 Sound
• Chapter 13 Why Do We Fall Ill
• Chapter 14 Natural Resources
• Chapter 15 Improvement in Food Resources

NCERT Solutions for Class 9 Science Chapter 6: Tissues

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Access Answers to NCERT Class 9 Science Chapter 6: Tissues  (All in Text and Exercise Questions Solved)

Exercise 6.1 page: 69.

1. What is a tissue?

A tissue is defined as a cluster of cells, which are similar in structure and work together to perform a particular function.

2. What is the utility of tissues in multicellular organisms?

The use of tissues in multicellular organisms is to provide structural and mechanical strength as well as to allow division of labour.

Exercise 6.2 Page: 73

3. Name the types of simple tissues.

The types of simple tissues are as follows:

➢ Parenchyma

➢ Collenchyma

➢ Sclerenchyma

4. Where is apical meristem found?

In plants, apical meristem is typically found at:

• The tip of the shoot
• Root of the plant

5. Which tissue makes up the husk of a coconut?

The sclerenchymatous tissue, which is a type of permanent tissue makes up the husk of the coconut. These tissues causes the plant to become stiff and hard. The cells of this tissue are dead and their cell walls are thickened because of the presence of lignin.

6. What are the constituents of phloem?

The phloem constitutes of the following four elements, they are:

➢ Sieve tube

➢ Companion cells

➢ Phloem parenchyma

➢ Phloem fibres

Exercise 6.3 Page: 77

7. Name the tissue responsible for movement of our body.

Two tissues jointly are responsible for the movement of our body, namely:

➢ Muscular tissue

➢ Nervous tissue

8. What does a neuron look like?

A neuron is a nerve cell consisting of the cell body with a nucleus and cytoplasm from which a long and thin hair-like structure emerges. Every neuron has one elongated part known as the axon, and several short and small branched structures known as dendrites. A single neuron can even be a meter long.

9. Give three features of cardiac muscles.

Cardiac muscles are specialized tissues that are evolved to pump blood throughout the body.

The following are the features of cardiac muscles:

➢ They are cylindrical in shape.

➢ Striated muscle fibers.

➢ They are uninucleated and branched.

➢ These muscles are involuntary in nature.

10. What are the functions of areolar tissue?

Areolar tissues are typically observed in animals. They are connective tissues and are found in between skin and muscles. They are also located around blood vessels and nerves, and are present in the bone marrow. The space inside the organs is filled with these tissues. They support the delicate internal organs and assist in tissue repair in case of damage.

Exercise Page: 78

1. Define the term ’tissue’.

2. How many types of elements together make up the xylem tissue? Name them.

The xylem tissue is made up of four main elements, namely:

➢ Tracheids

➢ Xylem fibres

➢ Xylem parenchyma

3. How are simple tissues different from complex tissues in plants?

The following are the differences:

4. Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell wall.

The following are the differences between different tissues based on cell wall:

5. What are the functions of the stomata?

Stomata are the tiny pores present on the outer layer of the cells, the epidermis. Stomata bring about the exchange of gases and transpiration.

6. Show the difference between the three types of muscle fibres diagrammatically.

There are three types of muscle fibres, they are:

1. Cardiac muscles

• Present in the heart.
• Involuntary in nature.
• They have 1 nucleus.
• The muscle fibers are branched.

2. Smooth muscles

• Found in lungs and alimentary canal.
• They are spindle-shaped.

3. Striated muscles

• They are connected with bones
• Voluntary in nature.
• They are long and cylindrical muscle fibers.
• They possess many nuclei.
• Striated muscles are unbranched.

7. What is the specific function of the cardiac muscle?

The cardiac muscles are branched and cylindrical. They are uninucleated and are involuntary in nature.  The cardiac muscles bring about a rhythmic contraction and relaxation throughout one’s lifetime.

8. Differentiate between striated, un-striated and cardiac muscles on the basis of their structure and site/location in the body.

The following are the differences between different types of muscles, based on their structure and location in the body.

9. Draw a labelled diagram of a neuron.

Diagram of a neuron along with the labelling is as follows:

10. Name the following.

(a) Tissue that forms the inner lining of our mouth.

(b) Tissue that connects muscle to bone in humans.

(c) Tissue that transports food in plants.

(d) Tissue that stores fat in our body.

(e) Connective tissue with a fluid matrix.

(f) Tissue present in the brain.

(a) Tissue that forms the inner lining of our mouth – The epithelial tissue, Squamous epithelium.

(b) Tissue that connects muscle to bone in humans – Tendon

(c) Tissue that transports food in plants – Phloem

(d) Tissue that stores fat in our body – Adipose tissue

(e) Connective tissue with a fluid matrix – Blood, it is a fluid connective tissue

(f) Tissue present in the brain – Nervous tissue

11. Identify the type of tissue in the following:

Skin, bark of tree, bone, lining of kidney tubule, vascular bundle.

➢ Skin: Stratified squamous epithelial tissue

➢ Bark of tree: Protective tissue and cork

➢ Bone: Connective tissue

➢ Lining of kidney tubule: Cuboidal epithelial tissue

➢ Vascular bundle: Conducting tissue (xylem and phloem), complex permanent tissue

12. Name the regions in which parenchyma tissue is present.

The parenchyma is found in:

• The pith of stems and roots
• When parenchyma contains chlorophyll it is called a chlorenchyma. It is found in green leaves
• Parenchyma found in aquatic plants has large air cavities which enables them to float, and are hence called aerenchyma.

13. What is the role of epidermis in plants?

The epidermis in plants forms an uninterrupted and continuous layer that has no intercellular spaces. It provides protection.

14. How does the cork act as a protective tissue?

Cork cells are dead. The arrangement of cells is so dense, that there is no intercellular space. Deposition of suberin is observed on the walls of the cells that make them impervious to water and gases.

15. Complete the following chart.

The completed chart is as follows:

NCERT Solutions for Class 9 Science Chapter 6: Tissues is one of the most important topics with high weightage in the exam, and the expected marks as per the exam pattern is 20. Most of the questions have been repeatedly asked in both CBSE and other competitive exams. Students can refer to these study materials and score good marks in their CBSE examinations. These NCERT Solutions for Class 9 Science are prepared by a team of our subject experts to help students of Class 9 in their preparations and to have a good foundation in the subject.

6.1 Are Plants and Animals Made of Same Type of Tissues? 2 Questions (1 long)

6.2 Plant Tissues 4 Questions (2 short , 2 long)

6.2.1 Meristematic Tissue 2 Questions (2 MCQs)

6.2.2 Permanent Tissue 1 Question (1 MCQs)

6.3 AnimalTissues 4 Questions (1 short , 3 long)

6.3.1 Epithelial Tissue 1 Question (1 short )

6.3.2 Connective Tissue 1 Question (1 short )

6.3.3 Muscular Tissue 1 Question (1 short )

6.3.4 Nervous Tissue 1 Question (1 short )

Class 9, Science Chapter 6: Tissue is an extremely interesting topic, which provides complete information related to tissue, types of tissue, and their functions. This topic provides a basic framework for the next level, including the anatomy and physiology of the human body. Other interesting topics explained in this chapter include, types of tissues in multicellular organisms, their structure, location and their functions. Along with this topic, students can also find some interesting activities or experiments on tissues.

Key Features of NCERT Solutions for Class 9 Science Chapter 6: Tissues

• NCERT Solutions are the best study material for those students having trouble finding the answers to different questions related to the respective topics.
• Along with the textbook solutions, students can also find some important questions, keynotes and other information about the topic.
• These NCERT Solutions are prepared by a team of expert teachers, and it covers all the fundamental concepts of the chapter and other important questions from the exam point of view.
• The solutions explained in these study materials are well arranged in a systematic manner to permit comprehensive learning, leading to a better understanding for all the students.
• NCERT Solutions for Class 9 Science Chapter 6, Tissues, provides complete information regarding the topic, along with definitions and examples, which are explained in simple language and in an accessible format for students to learn better and effectively.

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Tissues CBSE Class 9 Science Revision Notes Chapter 6

askIITians brings you free Science revision notes for Class 9 Chapter 6 Tissues. These notes are created by our Science teachers and are based on the latest CBSE syllabus for Class 9 Science. Once you read these detailed notes, you do not need to read the NCERT chapter again and again. These notes contain sufficient information for every topic of the chapter. They can help in exam preparation, revision and concept solidification. Our online CBSE Science revision notes for Tissues can be accessed easily from our website and referred to whenever you need them. 

• Class 9 revision notes for Chapter 6 Tissues include the following topics: 
• Formation of tissues
• Tissues of plants and animals
• Meristematic tissues 
• Permanent tissues 
• Epidermis 
• Stomata 
• Transpiration 
• Complex permanent tissues 
• Xylem and Phloem 
• Epithelial tissue
• Connective tissues 
• Blood 
• Lymph 
• Bones 
• Haversian Canals
• Ligaments 
• Tendons 
• Areolar tissues 
• Neuron anatomy 

Quick Review of Chapter 6 Tissues 

• Living organisms in this world comprise cells.
• There are unicellular as well as multicellular organisms present in this world.
• In unicellular organisms, the single cell is capable of performing several functions such as respiration, digestion and clearing of the cell.
• In multicellular organisms, there is a division of labour. There are different types as well as groups of cells that perform different functions in a multicellular organism. 
• For Example, In animals muscle cells are responsible for causing movement, nerve cells are responsible for carrying messages and signals from one part of the body to another and blood is responsible for the transportation of food and oxygen to different parts of the body.
• In plants, there are vascular tissues that are responsible for carrying food and water to two different parts of a plant.

Free Revision Notes for Class 9 Science Chapter 6 Tissues 

The formation of tissues.

• The cells form groups of cells to perform a single task.
• This grouping of cells together to perform a function efficiently is called a Tissue.
• For Example, Muscles and Blood.
• The tissue cells have the same structure and they perform the same function.

Tissues of Plants and Animals

Plant Tissues

Figure 1: Types of Plant Tissues  

Meristematic Tissue

• Only certain parts of a plant tend to grow. The tissues located in such parts are called meristematic tissues.
• They can divide themselves and form new tissues. 
• They have a thin cell wall made of cellulose.
•  They have a dense nucleus and cytoplasm but lack vacuoles.
• Intercalary

Figure 2: Location of meristematic tissue

Why are there no vacuoles in the intercalary meristem?

• Vacuoles are responsible for the storage of food in the water. The intercalary tissues do not store them. They are rather responsible for manufacturing them.
• Moreover, vacuoles contain sap which provides rigidity to a cell. This property of vacuoles may not allow the intercalary tissues to divide and manufacture new cells. Hence vacuoles are not present in them.

Permanent Tissue

• The cells that are formed by the meristematic tissues often have to take a certain role in the plant and thus, they lose their ability to divide and form more cells. They then become the permanent tissues of the plants.
• Differentiation - The process by which cells of the meristematic tissues convert themselves into permanent tissue by taking a fixed shape, size and function is called differentiation.
• Simple Permanent Tissues

Complex Permanent Tissues

Chlorenchyma

• Collenchyma
• Sclerenchyma

Figure 3: Simple Permanent Tissue

• These tissues are similar to that of parenchyma but they also contain chlorophyll in them.
• Due to the presence of chlorophyll, they are capable of performing the process of photosynthesis in plants.
• They are found in aquatic plants.
• They are also similar in structure to that of the parenchyma but they have large air cavities in them.
• These cavities allow the aquatic plants to float in water.

What is Lignin?

The cell walls of dead cells have a substance called lignin in them which provides rigidity to the cells. Lignin acts as the cement for the cells.

• The outermost layer of the cell is known as the Epidermis.
• It covers the entire plant.
• It is a thin layer of single cells but in places with less water, the epidermis of the plants can become thick in order to avoid frequent water loss.
• The cells are flat and they have no intercellular spaces between them.
• The outer walls of the epidermal cells are thick and the inner walls are thin.
• The epidermal cells often have long hair-like structures in roots which facilitate the absorption of water.
• The main function of the epidermis is to protect the plants from fungi, water loss and any injuries by secreting a wax-like water-resistant substance called a Cuticle on the surface of the plants which protects the plants.

Figure 4: Epidermis

• Stomata are pore-like structures that are present in the epidermis of the leaves.
• These pores are enclosed by two cells that have a similar shape as a kidney. These are called Guard Cells of Stomata. Guard cells are modified epidermal cells.
• Guard cells are responsible for the exchange of gases and transpiration.

Transpiration (OLYMPIAD)

Figure 5: Transpiration

The plant cells sometimes have extra they lose it in the form of water that evaporates through stomata. This process is called Transpiration.

Role of Transpiration in Plants – (OLYMPIAD)

• Exchange of Gases - Plants absorb carbon dioxide and release oxygen through transpiration.
• Prevent the Plants from Overheating - The leaves absorb sunlight during the process of photosynthesis. Some of it is used in the photosynthesis process while the rest is radiated as Heat Energy. We know that absorption of water causes cooling of the surrounding area. Therefore transpiration keeps the leaves cool.
• Transportation of Food and Water in Plants - The roots of the plants absorb minerals and water present in the soil through transpiration and they are then distributed in the plant through the transpiration stream.
• Movement of Water in Plants – As plants lose water in the form of water vapours, the density of water in leaves becomes low. So the water from the higher density areas such as the roots move up to lower density areas through a force called Transpirational Pull.

Which gas is necessary for the process of photosynthesis?

Carbon dioxide gas is necessary for the process of photosynthesis. Plants use carbon dioxide along with water and sunlight to produce glucose in the process of photosynthesis. Plants take in carbon dioxide and release oxygen as a byproduct of the photosynthesis process.

Why do plants in desert areas have a waxy coating of cutting over them?  (OLYMPIAD)

The epidermis cells of plants that are found in deserts have a waxy coating of cutting over them because it prevents water loss from the surface of plants since water is already scarce in such areas.

Why are the branches of old trees different from the stems of a new plant?

• As a plant grows older the meristematic cells start covering the upper layer of the plants instead of the epidermis.
• These are the dead cells that have no special function in the plants but to provide rigidity. They make the branches of the plants thick.
• This is often called the Bark or the thick cork of the tree.
• The bark of the trees contains a substance called Suberin which makes it waterproof and does not allow gaseous exchanges. (OLYMPIAD)

Complex Permanent Tissues comprise different kinds of cells. These different types of cells coordinate with each other and perform a common function in these tissues. Two Complex Permanent Tissues are - Xylem and Phloem.

Figure 6: Xylem and Phloem  

Similarities between Xylem and Phloem

• Their main function is to carry food and water in the plant.
• Both have a vascular bundle which is a conductive tissue in plants that helps them survive in different environmental conditions.

Xylem is made up of dead cells having a thick cell lining. It consists of the following elements-

• Tracheids and Vessels – They have a broad tubular structure so that we can allow transportation of food and water in the plants vertically.
• Xylem Parenchyma – It stores food and helps in the transportation of water horizontally in the plants.
• Xylem Fibres – They support transportation

Phloem is made up of living cells and it allows the movement of food from leaves to other parts of the plant. It has the following elements –

Sieve Tubes – Broad shaped cells with porous walls

• Companion Cells – They facilitate the functions of the sieve tubes
• Phloem Fibres – Provide flexibility to the phloem
• Phloem Parenchyma – Stores starch and proteins

Animal Tissue

Figure 7: Types of Animal Tissues

1. Epithelial Tissue

• They are the protective tissues of the human body. They cover many organs and cavities that are present inside the body.
• The lining of the blood vessels
• The lining of the mouth
• Kidney tubules
• Lung alveoli
• The main function of the epithelial tissues is to act as a barrier and separate different organs and systems from each other.
• There is no space between the cells of epithelial tissues
• The cells are permeable. This makes it possible for them to exchange materials between different parts of the body and also between the body and the external environment.
• The epithelial tissues remain separated from the tissues beneath them because of a thin membrane over them.

Figure 8: Types of Epithelium

2. Connective Tissues

Structure and function of connective tissues

• They are loosely bound cells present in an intercellular Matrix.
• This matrix can be of different types – Dense, Rigid, Fluid or Jelly-like.
• Depending upon the functionality of the connective tissue, the nature of the matrix varies.

Examples of Connective Tissues

Figure 9: Connective Tissues

The main function of blood is to transport gases, food, waste materials and hormones in the body.

Therefore, blood has a fluid Matrix present in it which is called Plasma.

The plasma contains red blood cells, white blood cells and blood platelets.

The RBC has haemoglobin pigment which carries oxygen to tissues.

White blood cells fight diseases and platelets are involved in the clotting of blood when injured.

The plasma also contains proteins and hormones in it.

Lymph (OLYMPIAD)

Lymph is a colourless fluid that carries white blood cells throughout the human body in lymphatic vessels. There are lymphoid organs present in the body that produce lymph and together form the lymphatic system. Some of them are lymph nodes and tonsils.

Figure 10: Lymph Capillaries

Lymph is similar to blood except for a few differences:

• It contains only white blood cells.
• It contains less amount of blood proteins, calcium and phosphorus but more glucose.
• It flows in one direction only.
• Lymph moves in the body through its normal function, unlike blood which is pumped by the heart.

Constituents of Lymph:

Lymph Plasma – Lymph Plasma carries infection-fighting proteins along with other substances such as water, calcium and phosphorus.

Lymph Corpuscles – Lymph Corpuscles comprises white blood cells. Red blood cells and platelets are not present in lymph.

Functions of Lymph:

• It carries oxygen and minerals to the cells in the body and carries back carbon dioxide and waste materials back into the blood.
• It keeps the body cells moist.
• It maintains the volume of the blood.
• It helps in eliminating harmful bacteria and viruses from the body and hence is responsible for the immunity of human beings.
• It absorbs fats from the intestine and transports them throughout the body.
• Bones form a framework of the body over which the muscles are wrapped together.
• The bone tissue is strong and inflexible.
• Therefore, the bone cells are present in a rigid matrix that is formed from calcium and phosphorus.

Haversian Canals (OLYMPIAD)

Figure 11 Haversian Canal

• The bones comprise microscopic tubes called Haversian Canals.
• They are contained in osteons, rough cylindrical structures present along the axis of the bone.
• They allow the blood vessels, lymphatic vessels, and nerve fibres to travel through them.
• These canals have concentric channels called Lamellae around them.
• The Haversian canals communicate with bone cells through connections called Canaliculi.
• Cartilage is present over the joints of the bones and provides them with a smooth structure.
• For Example in the nose tip and ear pinna, trachea, larynx.
• They contain a solid matrix made of protein and sugar. They have a homogenous matrix.
• It provides support and flexibility to various parts of our body.
• A ligament connects two bones together.
• It has an elasticity that facilitates the connection.
• The cells of ligaments have a little matrix.
• The tendon tissues are responsible for connecting bones and muscles together.
• They have limited flexibility but very great strength.
• This tissue acts as a filter in between the spaces present inside the organs of the body.
• It helps in repairing other tissues as well.
• It is found in the skin and bone marrow.

Components of the Areolar Connective Tissue

Figure 12 Components of the areolar connective tissue

1. Cells (OLYMPIAD)

• Fat Cells (Adipocytes) – They are responsible for the secretion of lipids.
• Fibroblasts – They are present in the highest amount in areolar tissues. They are responsible for the secretion of fibres.
• Mast Cells – They release histamine that plays a role in allergic reactions
• Macrophages – They eat any germs or infectious cells in the body
• Plasma Cells – They produce antibodies
• Collagen Fibres – They provide tensile strength to the tissue
• Elastin Fibres – They provide elasticity to the tissue
• Ground Substance – It is a fluid matrix that holds cells and fibres of the tissue
• Fats are stored in our body in the adipose tissues.
• They are found below the skin and between the organs of the body.
• Provides cushioning to the organs.

3. Muscular Tissue

• It is made up of muscle fibres which are long cells.
• It allows movements in our bodies.
• How can muscles cause movement?

They contain special proteins called Contractile Proteins. These proteins cause contraction and relaxation of the muscles.

• There are two kinds of muscles found in our body - Voluntary Muscles and Involuntary Muscles.

Figure 13: Muscular Tissue

Cardiac Muscles

• These are special kinds of involuntary muscles.
• The muscles of the heart are called Cardiac Muscles. They perform rhythmic contraction and relaxation throughout our life.
• They are cylindrical in shape, they have branches and there is a single nucleus.
• Cardiac muscle consists of individual heart muscle cells connected by intercalated discs to work as a single functional organ

4. The Nervous Tissue

• This is because of the nervous tissues present in our body. They are capable of transmitting information quickly from the brain to different parts of the body and vice-versa.
• Therefore nervous tissues are found in nerves, brain, and spinal cord.
• Nervous tissue is made up of cells called the Nerve Cells or Neurons.
• These neurons connect together to form the nerves of our body.
• It is an elongated cell with a Cell Body that consists of some branch-like structure called Dendrites.
• There is a Nucleus present in the centre of the cell body.
• The Nerve Endings of the cell are connected with the cell body via Axon.
• A nerve cell can be up to 1 m long.

Figure 14: Structure of Neuron  

The Structure of Neuron

1. Dendrites

• They are tree-like extensions (highly-branched) at the beginning of a neuron.
• They increase the surface area of the neuron.
• They receive chemical signals from different neurons of the body.
• They then convert these chemical signals into electrical signals and pass them to the neuron cell body.
• A neuron can have a single dendrite or multiple dendrites

2. Cell Body

• Also called Soma.
• The main function of the cell body and nucleus of the neuron is to maintain the functionality of the cell.
• It does not play an active role in the transmission of the signal.
• It produces proteins that are required by different parts of the neuron to work properly.
• It contains different cell organelles such as mitochondria, Golgi apparatus etc that perform various functions of the cell.
• Neurons have one axon in general.
• It is a long structure that connects the cell body to the terminals and it also connects with other neurons, cells and organs of the body through nerve terminals.
• It allows for the fast transmission of signals. The larger the diameter of the axon the faster it will transmit signals.
• It is covered with a special insulating substance called myelin. It helps in the rapid transmission of signals.

4. Schwann Cells (OLYMPIAD)

• The Myelin sheath that covers the axon is produced by Schwann cells.
• The Myelin sheath keeps the signal intact.

Online Revision Notes for Class 9 Science Chapter 6 Tissues FAQs

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4. What is Chapter 6 Tissues of Class 9 Science? 

Tissue is an important chapter in CBSE Class 9 Science. This chapter deals with the definition and types of tissues found in plants and animals. This chapter helps you understand why tissues are important in plants and animals, what are their functions and structures. 

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NCERT Class 9 Science | Notes & Solutions | Intext Questions & Exercises | MCQ | Online Test

NCERT Class 9 Science Notes & Solutions – Chapter 6 – Tissues

Table of Contents

Notes Tissues Class 9 Science

In-text questions & answers - ncert - tissues class 9 science, exercises questions & answers - tissues class 9 science - chapter 6.

Tissues Science Chapter 6 | In-Text Questions & Answers | Exercises Questions & Answers | NCERT Class 9 Science | Notes | pdf

Q1. What is tissue?

Tissue is a cluster of cells which are structurally identical or similar and performs together a specialised function in the body. We learnt in previous chapter-5 that organisms are of two types  – i) unicellular , &  ii) multi-cellular . In case of unicellular organism (Amoeba, Bacteria etc.) all functions such as food intake, excretion etc. occur just inside a cell. But in case of multi-cellular organism (animals, plants) different cluster of cells perform different functions. In case of animals different tissues perform different specific functions in animals and plants. For example, ♦ Muscular tissue helps performing movement function. ♣ Blood tissue performs transportation of oxygen, hormones, food, waste materials etc. ♦ Nerve tissues performs as messenger. ♣ Vascular tissues in plants carry food from one corner to another corner. 

Q2. What are the basic structural differences between animal and plant tissues?

Firstly, a nimals move from one place to another place for it’s livelihood. On the other hand plants are stationary. So animals require more energy than plants. Most of the animal tissues have living cell. Though plants are stationary but it grows up and requires supportive tissues that contain normally dead cells.

Secondly, plant growth is limited to certain regions where tissue division is happened lifetime. These tissue is called meristematic tissue . Other non-dividing tissues of plants are called permanent tissue . On the other hand animals have no specific dividing and non-dividing tissues as growth in animal is not limited to certain regions rather it has uniform growth.

Thirdly, various organ and organ system in animals are more specialised, specific and localised than plant. We find the basic differences between them in the ways of their life specifically in their feeding methods. Plant adapts itself for it’s sedentary existence whereas animals adapt themselves for it’s various activities.

• MCQ The Fundamental Unit of Life
• MCQ Tissues
• MCQ Diversity in Living Organisms
• MCQ Why Do We Fall Ill?
• MCQ Natural Resources
• MCQ Improvement in Food Resources

Q3. Classify plant tissue.

We divide plant tissue into two groups i.e. a) meristematic tissue, & b) permanent tissue. Permanent tissue is further divided into two categories i.e. i) simple permanent tissue, & ii) complex permanent tissue.

Q4. Discuss meristematic tissue.

Plant growth is limited to certain regions where tissue division is happened. These tissues are known as meristematic tissue and theses are located in the growth regions of plants. We divide meistematic tiss ue into three i.e. i) Apical meristem, ii) Intercalary meristem and iii) Lateral meristem.

Apical meristem is located at tips of  stem and roots where growing is happened and it results in increase in length of stem and roots.

Lateral meristem (cambium) causes increase in girth of stem and roots.

Intercalary meristem is located near the node in stem and roots. As it is growing part of plants, cell of this part has prominent nuclei, thin cellulose walls and dense cytoplasm but lacks vacuole. Characteristics of cells in growing parts remain same but slowly changes as they grow and mature with time and prominent difference is noticed with components of other tissues.

Q5. What is permanent tissue?

Cell in meristematic tissue gradually matures, stops division and gets permanent shape and size and turns into   permanent tissue finally . The process from meristematic tissue to permanent tissue is known as differentiation . Further we divide permanent tissue into two groups. These are i) simple permanent tissue and ii) complex permanent tissue .

Q6. Discuss simple permanent tissue.

Simple permanent tissue exists below the epidermis. Details of various parts or section of  simple permanent tissue are in the following –

Parenchyma:

Cells in this parts stores food and are loosely arranged as inter-cellular space between them is more. Also these are living and have thin cell walls. Chlorenchyma is a kind of parenchyma which contain chlorophyll and takes part in photosynthesis process. Aerenchyma is also a kind of parenchyma which has large air cavity and helps aquatic plants to float.

Sclerenchyma:

This type of permanent tissue makes plant hard and stiff and gives strength to various parts of the plant. These type of tissue are present in hard covering of seeds and nuts, leaf veins, stems, in the region of vascular bundles etc. Cells in this parts are normally dead, long and narrow with thickened wall. Thickness of the cell wall is due to lignin and sometimes the cell wall is too thick to make internal space inside the cells in this permanent tissue.

Collenchyma:

Cells in this parts add flexibility in plants and give mechanical support. Also they have very less inter-cellular space and help in bending of tendrils and stems to avoid breaking of plants. These cells are elongated and living with irregular thickened corners. You may notice this kind of permanent tissue in the leaf stalks just below the  epidermis .

Epidermis is the outermost single layer of cells and gives full outer covering to the plant. It protects plant from outside attack by the parasites and fungus. Epidermis also protects from mechanical injury. Cells in this permanent tissue are relatively flat with no inter-cellular space and form a continuous layer. Thickness of the outer layer and side walls of the epidermis are more than inner walls. 

Desert plant has thick waxy and waterproof coating of cutin for avoiding of the loss of water as water loss in plants in the desert is very crucial for their survival and generally thickness of the outer layer is more in this case to avoid the loss of water. This tissue forms a water resistant, waxy and waterproof layer on the aerial parts of the plant to reduce loss of water. Stomata is the small pore in the epidermis of the leaf and is enclosed by two kidney-shaped cells. Transpiration and gaseous exchange happen through stomata. This tissue in roots has long hair-like parts to increase the surface area for facilitation of water absorption.

Q7. Discuss complex permanent tissue.

Single type of cell which are similar in nature forms single permanent tissue. But two or more type of cell which perform a common function constitute complex permanent tissue. Xylem and phloem  are complex permanent tissue which mainly performs as a conducting or transporting tissue by making vascular bundle. These vascular tissues transport food and minerals which is essential for the survival of the plants in terrestrial environment.

It has xylem fibres, xylem parenchyma, tracheids and vessels. Xylem parenchyma stores food and xylem fibres perform supportive functions. Tracheids and vessels, which performs vertical transportation of water and minerals, are structurally tubular and have thick walls and many dead cells in mature condition.

Phloem is consists of phloem parenchyma , phloem fibres, sieve tube, sieve cells and companion cells. Out of these five type cells, phloem fibres have dead cells and other type cells are living cells and sieve tubes are tubular cells having perforated walls. Main function of the phloem is to transport foods from leaves to other parts of the plant.

Q8. What are the various animal tissues?

Epithelial tissue, connective tissue, muscular tissue and nervous tissue are some important animal tissues.

Q9. Discuss epithelial tissue.

Epithelial tissues are the protective tissues in the animal body. It gives coverings to most organs and keeps them separate by forming a barrier. It also gives coverings to cavities within the body. Kidney tubules, the skin, lining of the mouth, lining of blood vessels, lung alveoli etc. are epithelial tissue. Cells in epithelial tissue are tightly packed and form a continuous sheet having no inter-cellular space but having small amount of cementing material between them.  

As epithelial tissue gives covering, so any exchange between the body and outside environment or between various parts or organs within body must cross at least one layer of epithelium. So permeability of the cells plays a crucial role in regulating the exchange of material between different systems in the body. An extracellular fibrous basement membrane separates epithelium from the underlying tissue irrespective of any kind of epithelium.

Squamous Epithelium:

Different epithelial tissues located at various parts in the body have different type of structures in accordance with their unique function. Extremely thin and flat type cells form simple squamous epithelium.

Simple squamous epithelium forms a delicate lining. The epithelial tissues of the lining of blood vessels or lung alveoli in which transportation of substance happens through a selectively permeable surface are of squamous type.

The lining of the mouth, the skin of the body and  the oesophagus are also examples of squamous epithelium. Epithelial tissues in the skin of the body exists in a pattern of layers to prevent wear and tear. Due to this type of pattern, it is also called stratified squamous epithelium.

Cuboidal Epithelium:

Cube-shaped cells form cuboidal epithelium. The lining of kidney tubules and ducts of salivary glands contain these type cells. Cuboidal epithelium mainly provides mechanical support. Sometimes it acts as gland cells and secretes substances at epithelial surface. Cells in this portion of epithelium form multicellular gland by folding inward. Due to this it is also called glandular epithelium.

Tall and pillar-like ( columnar ) epithelial is located in the parts where absorption and secretion occur like in the inner lining of the intestine. It helps movement across the epithelial barrier. Ciliated columnar epithelium is located in the respiratory tract. Cells in this area have hair-like projections on the outer surfaces known as cilia . Cilia can move and it’s movement pushes the mucus forward to clear it.

Q10. Discuss connective tissue.

Loosely shaped cells which are embedded in an inter-cellular matrix, constitute connective tissue. Like the structure of the epithelial tissue (columnar, cuboidal, glandular etc), matrix of connective tissue may be rigid, fluid, dense or jelly type as per their their unique functions.

Blood is an example of connective tissue. It flows and transports hormones, digested food, gases, waste materials etc. to different parts of the body. Matrix of blood is of fluid type where RBCs ( Red Blood Corpuscles ), WBCs ( White Blood Corpuscles ) and platelets are suspended. The fluid matrix of blood is known as plasma and it contains salts, hormones and proteins.

Bone is also a strong and non-flexible connective tissue. It supports the main organs of the body, anchors the muscle and also forms the framework that supports the body. Matrix of bone is of hard type which is composed of phosphorus compounds and calcium compounds.

Ligament is also another connective tissue. It is very elastic and connects two bones with each other. Ligament has considerable strength and very little matrix. Tendons is a fibrous connective tissue with great strength and limited flexibility and connects muscles to bones.

Cartilage is also a connective tissue. It smoothens bone surfaces at joints. Our nose, ear, trachea and larynx are soft due to having presence of cartilage tissue. Widely spaced cells in cartilage tissue forms solid matrix whose main constituents are sugars and proteins.

Areolar and Adipose:

It is also another connective tissue. Areolar helps in repair of tissues. It supports internal organs and also fills the space inside the organs. It is present in nerves, bone marrow, blood vessels and between the skin and muscles. Adipose is a fat-storing tissue and exits below the skin and between internal organs. Fat-storing helps adipose to act as an insulator . Cells forming adipose tissue are filled with fat globules.

Q11. Discuss muscular tissue.

Muscular tissue known as muscle fibres contains elongated cells. It causes movement in our body. It has special proteins known as contractile proteins. This proteins contracts and relaxes to cause movement.

Voluntary muscles:

Voluntary muscles are the muscles that moves by our conscious will. Whenever we want, we can really start or stop their movement. For example muscles present in the limb of our body. These muscles are mostly attached to our bones and help in body movement. As it is attached to bones, so it is also called skeletal muscles. During microscopic analysis these muscles shows alternate light and dark bands or striations  at stained conditions. For this reason they are also called striated muscles. Cells of this tissue are long, cylindrical, multi-nucleate and unbranched.

Involuntary muscles:

Involuntary muscles are those muscles whose movement do not depend on our conscious will. Whenever we want, we cannot start or stop their movement. For example – contraction and relaxation of blood vessels, movement of food in alimentary canal. Cells in this tissue are long with pointed ends and uni-nucleate. These muscles are also known as smooth & unstriated muscles. These are also present in the iris of the eye and in the bronchi of the lungs.

Another involuntary muscle is cardiac muscle that is present in our heart. Cardiac muscle continuously shows rhythmic contraction and relaxation throughout the life. Cells in this part are uni-nucleate, cylindrical and branched.

Q12. Discuss nervous tissue.

Nervous tissues are highly sensitive to any kind of stimuli. It transmits the stimulus very rapidly from one place to another pace in our body. It is present in our brain, nerves and spinal cord. Cells of this part are known as neurons. Cell body of neuron consists of a nucleus and cytoplasm from which hair like parts arise. Structurally a neuron may be up to a metre long and has a single long part (process) known as axon and many short, branched parts known as dendrites .

Lots of bounded nerve fibres constitute a nerve. A nerve impulse is a signal that passes through the nerve fibre and helps us to move our muscle by conscious will. Functions of nerve tissue and muscle tissue are interlinked, correlated and combined in such manner that it helps us to move rapidly in response to any stimuli.

• Notes The Fundamental Unit of Life
• Notes Diversity in Living Organisms
• Notes Why Do We Fall Ill?
• Notes Natural Resources
• Notes Improvement in Food Resources

In-Text Questions & Answers | NCERT Class 9 Science Chapter 6 Tissues

In-text questions & answers | ncert class 9 science chapter 6 tissues | page no. 69 .

1) What is a tissue? Tissue is a cluster of cells which are structurally identical or similar and performs together a specialised function in the body. For example –  Epithelial tissue, connective tissue, muscular tissue & nervous tissue are animal tissues. On the other hand, meristematic tissue & permanent tissue are plant tissues.

2) What is the utility of tissues in multi-cellular organisms? In case of unicellular organism, all the functions, such as movement, digestion & excretion are performed by single cell. On the other hand, a specific group of cell performs a specific function in multicellular organisms. This grouping allots various tasks to various groups of cells. For example, muscle cells form muscular tissues & epithelial cells form epithelial tissue. ‘Different tissue performs different specific function’ is the most important utility of tissues in multi-cellular organism.

In-Text Questions & Answers | NCERT Class 9 Science Chapter 6 Tissues | Page No. 73 

1. Name types of simple tissues.

It is of three types i.e. – i) parechyma, ii) collenchyma, & iii) sclerenchyma. Cells of parenchyma are live, thin walled & relatively unspecialised. It forms the basic packing tissue. Cells of collenchyma are living, elongated & irregularly thickened. These cells have very little intercellular spaces. Collenchyma provides flexibility to plants. Cells of sclerenchyma are dead, long & narrow with thickened walls due to deposition of lignin. It provides rigidity & stiffness to the the plant.

2. Where is apical meristem found?

Apical meristem is located at tips of  stem and roots where growing is happened. It results in increase in length of stem and roots.

3. Which tissue makes up the husk of coconut?

Cells of sclerenchyma are dead, long & narrow with thickened walls due to deposition of lignin. It provides rigidity & stiffness to the the plant. The husk of a coconut is basically mad up of sclerenchyma.

4. What are the constituents of phloem?

Phloem has four components. These are – i) sieve tubes, ii) companion cells, iii) phloem parenchyma, & iv) phloem fibres. Phloem mainly  transports the soluble organic food prepared during the process of photosynthesis.

In-Text Questions & Answers | NCERT Class 9 Science Chapter 6 Tissues | Page No. 77 

1) Name the tissue responsible for movement in our body.

Obviously it is muscular tissue. Skeletal muscles of muscular tissue are attached to bones. Their contraction make possible for locomotion, facial expression postures & other voluntary movements of the body. Read Q11 in detail.

2) What does a neuron look like?

Cells of nervous tissue are called neurons. Cell body of neuron consists of a nucleus and cytoplasm from which hair like parts arise. Structurally a neuron may be up to a metre long and has a single long part (process) known as axon and many short, branched parts known as dendrites.

3) Give three features of cardiac muscles.

a) Cardiac muscle is involuntary muscle. It is present in our heart. b) Cardiac muscle continuously shows rhythmic contraction and relaxation throughout the life. c) It does not get fatigue. Cells in this part are uni-nucleate, cylindrical and branched.

4) What are the functions of areolar tissue?

Areolar tissue supports many internal delicate organs. Areolar tissue also takes part in repairing of various tissues. It fills the spaces inside the organs. Therefore, it acts as a packing between the organs.

Exercises Questions & Answers | NCERT Class 9 Science Chapter 6 Tissues | Page Nos. 78 - 79

1. define the term ’tissue’..

Tissue is a cluster of cells which are structurally identical or similar and performs together a specialised function in the body. In case of multi-cellular organism (animals, plants) different cluster of cells perform different functions. For example⇒ i) muscular tissue helps performing movement function. ii) blood tissue performs transportation of oxygen, hormones, food, waste materials etc. iii) nerve tissues performs as messenger. iv) vascular tissues in plants carry food from one corner to another corner.

2. How many types of elements together make up the xylem tissue? Name them.

It has four elements i.e. xylem fibres, xylem parenchyma, tracheids and vessels. Xylem parenchyma generally stores food. Xylem fibres perform supportive functions. Tracheids & vessels performs vertical transportation of water and minerals. They are structurally tubular and have thick walls and many dead cells in mature condition.

3. How are simple tissues different from complex tissues in plants?

4. Differentiate between parenchyma, collenchyma & sclerenchyma on the basis of their cell wall.

5. What are the functions of the stomata?

The microscopic pores in the epidermis of the plant are called stomata. Two kidney shaped cells known as guard cells surround these pores. Stomata basically helps in the exchange of gases with the atmosphere. It also helps in transpiration which is the process of water loss in the form of water vapour.

6. Diagrammatically show the difference between the three types of muscle fibres.

There are three types of muscle in the body. These are – a) Striated muscle. It is also known as skeletal muscle. b) Unstriated or smooth muscle. c) Cardiac muscle. Draw pictures of a) Striated muscle, b) Unstriated, & c) Cardiac muscle given in Q11 to complete the answer.

7. What is the specific function of the cardiac muscle?

Cardiac muscle is involuntary muscle. It is present in our heart. Cardiac muscle continuously shows rhythmic contraction and relaxation throughout the life. It does not get fatigue. Cells in this part are uni-nucleate, cylindrical and branched.

8. Differentiate between striated, unstriated & cardiac muscles on the basis of their structure & site/location in the body.

Write down answer of 6 .

9. Draw a labelled diagram of a neuron.

Draw the picture of Q12.

10. Name the following ⇒ a) Tissue that forms the inner lining of our mouth. Epithelial tissue. b) Tissue that connects muscle to bone in humans. Tendons. c) Tissue that transports food in plants. Phloem. d) Tissue that stores fat in our body. Adipose tissue. e) Connective tissue with a fluid matrix. Blood. f) Tissue present in the brain. Nervous tissue.

11. Identify the type of tissue in the following ⇒ skin, bark of tree, bone, lining of kidney tubule, vascular bundle.

Skin ⇒ stratified squamous epithelial tissue. Bark of tree ⇒ cork tissue. Bone ⇒ connective tissue. Lining of kidney tubule ⇒ cuboidal epithelial tissue. Vascular bundle ⇒ complex permanent tissue i.e. xylem & phloem.

12. Name the regions in which parenchyma tissue is present.

It is simple permanent tissue. It exists in leaves, fruits & flowers. Parenchyma tissue is basically involved in the function of storage & photosynthesis.

13. What is the role of epidermis in plants?

Epidemis is the outermost layer of cells in a plant body. Epidemis gives outermost covering & protects plant. It allows gaseous exchange from stomata. It also prevents water loss from the body of a plant.

14. How does the cork act as a protective tissue?

Dead cells form cork tissue. These cells are compactly arranged. They have no inter-cellular spaces. It has deposition of suberin which makes them impervious to gases & water. As a result cork tissue acts as a protective tissue.

15. Complete the following chart ⇒

Tissues Class 9 Science – To Be Continued – Tissues Class 9 Science

CBSE Case Study Questions for Class 9 Science - Pdf PDF Download

CBSE Case Study Questions for Class 9 Science

Case based questions for Class 9 Science involve exploring a real-world situation through scientific analysis and inquiry. These questions allow students to make connections between science concepts and the world around them, as well as develop critical thinking skills. For example, a case study may involve challenging a student to determine the cause of an illness in a local population by researching the disease, its symptoms, and the local environment. Through this exercise, students learn how to identify a problem, break it down into parts, and come up with a solution that is supported by evidence. This type of question helps students to understand how science is at the centre of solving real-world problems.

Chapter Wise Case Based Questions for Class 9 Science

Chapter-wise case-based questions for Class 9 Science are a set of questions based on specific chapters or topics covered in the science textbook. These questions are designed to help students apply their understanding of scientific concepts to real-world situations and events.

The CBSE Class 9 Case Based Questions can be accessed from Chapetrwise Links provided below:

Chapter 1: Matter In Our Surroundings

Chapter 2: is matter around us pure.

• Case Based Questions: Is Matter Around Us Pure?

Chapter 3: Atoms And Molecules

• Case Based Questions: Atoms And Molecules

Chapter 4: Structure Of The Atom

• Case Based Questions: Structure Of The Atom

Chapter 5: The Fundamental Unit Of Life

• Case Based Questions: The Fundamental Unit Of Life- 1
• Case Based Questions: The Fundamental Unit Of Life- 2

Chapter 6: Tissues

• Case Based Questions: Tissues- 1
• Case Based Questions: Tissues- 2

Chapter 7: Motion

• Case Based Questions: Motion-1 
• Case Based Questions: Motion- 2

Chapter 8: Force And Laws Of Motion

• Case Based Questions: Force And Laws Of Motion

Chapter 9: Gravitation

• Case Based Questions: Gravitation

Chapter 10: Work And Energy

• Case Based Questions: Work And Energy- 1
• Case Based Questions: Work And Energy- 2

Chapter 11: Diversity In Living Organisms

Chapter 12: sound, chapter 13: natural resources, chapter 14: improvement in food resource, chapter 15: why do we fall ill.

• Case Based Questions: Why Do We Fall Ill?

Weightage of Case Based Questions in Class 9 Science

Why are Case Study Questions important in Science Class  9?

• Enhance critical thinking:  Case study questions require students to analyze a real-life scenario and think critically to identify the problem and come up with possible solutions. This enhances their critical thinking and problem-solving skills.
• Apply theoretical concepts:  Case study questions allow students to apply theoretical concepts that they have learned in the classroom to real-life situations. This helps them to understand the practical application of the concepts and reinforces their learning.
• Develop decision-making skills:  Case study questions challenge students to make decisions based on the information provided in the scenario. This helps them to develop their decision-making skills and learn how to make informed decisions.
• Improve communication skills:  Case study questions often require students to present their findings and recommendations in written or oral form. This helps them to improve their communication skills and learn how to present their ideas effectively.
• Enhance teamwork skills:  Case study questions can also be done in groups, which helps students to develop teamwork skills and learn how to work collaboratively to solve problems.

In summary, case study questions are important in Class 9 because they enhance critical thinking, apply theoretical concepts, develop decision-making skills, improve communication skills, and enhance teamwork skills. They provide a practical and engaging way for students to learn and apply their knowledge and skills to real-life situations.

Class 9 Science Curriculum at Glance

The Class 9 Science curriculum in India covers a wide range of topics and concepts. Here is a brief overview of the Science curriculum at a glance:

• Physics:  The Physics section includes topics such as motion, force, work and energy, sound, and light.
• Chemistry:  The Chemistry section includes topics such as matter, atoms and molecules, structure of the atom, and chemical reactions.
• Biology:  The Biology section includes topics such as cell structure and functions, tissues, diversity in living organisms, natural resources, and environmental management.
• Practical Work:  The Science curriculum also includes practical work, where students perform experiments to observe and understand scientific phenomena.

The Class 9 Science curriculum is designed to provide a strong foundation in science and prepare students for higher education in the field. The curriculum is structured to develop critical thinking, problem-solving, and analytical skills, and to promote the application of scientific concepts in real-life situations. The curriculum is also designed to help students prepare for competitive exams and develop a strong scientific base for future academic and professional pursuits.

Students can also access Case Based Questions of all subjects of CBSE Class 9

• Case Based Questions for Class 9 Maths
• Case Based Questions for Class 9 Social Science
• Case Based Questions for Class 9 English
• Case Based Questions for Class 9 Hindi
• Case Based Questions for Class 9 Sanskrit

Frequently Asked Questions (FAQs) on Case Based Questions for Class 9 Science

Are case-based questions on the class 9 science exam.

Yes, case-based questions are often included in science exams at the class 9 level as they test students' ability to apply their scientific knowledge and skills to real-world situations.

How are case-based questions different from traditional science questions?

Traditional science questions typically focus on testing students' knowledge of specific facts, concepts, and theories. Case-based questions, on the other hand, require students to use their knowledge and understanding to analyze and interpret real-world situations and make informed decisions.

How can students prepare for case-based questions in science?

To prepare for case-based questions in science, students should practice analyzing data and interpreting scientific experiments. They should also work on developing their critical thinking and problem-solving skills.

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CBSE Class 9 Science Chapter 6 Revision Notes

Chapter 6: tissues revision notes.

• Tissue is a collection of cells with a common origin, structure, and function. Histology is the study of tissues.
• A single cell in a unicellular creature (Amoeba) performs all fundamental activities, however, in multicellular organisms (Plants and Animals), there is a division of labour between Plant and Animal tissues.

PLANT TISSUES

• There are two types of plant tissues: meristems and permanent tissues.
• Meristems are tissues that have the ability to divide cells. It may be discovered on the plant’s growing regions.
• The Apical meristems are found near the growing tip of the stem and roots, and they enhance the length of the stem and roots.
• Lateral meristems – located on the lateral side of the stem and root (cambium), they increase the girth.
• Intercalary meristems- found in the internodes or base of the leaves, these meristems lengthen the distance between the nodes.

Permanent Tissue

There are two types of permanent tissues: Simple permanent tissues and Complex permanent tissues.

a) Permanent simple tissues

• Offers support to plants.
• They are loosely packed and have a lot of internal room.
• Chlorenchyma is parenchyma that contains chlorophyll and performs photosynthesis.
• Aerenchyma is a kind of parenchyma that has vast air gaps to provide buoyancy.
• Food and water are also stored in the parenchyma.

Collenchyma

• Tissue that provides mechanical support, is thickened at the corners, and has very little intercellular space.
• It enables simple bending of various plant components without breaking them.

Sclerenchyma

• Tissue thickens the plant, making it rigid and stiff, with no intercellular space owing to lignin. This tissue’s cells are dead and may be found in the husk of a coconut.

Guard cells and epidermal tissue

• The tissue contributes in gas exchange and protection.
• To protect the stomata, dicots have kidney-shaped guard cells, while monocots have dumbbell-shaped guard cells.
• The epidermal tissues of roots contribute in water and mineral absorption. Cutin forms a thick waxy covering on the epidermal tissues of desert plants, which makes them impermeable. The epidermal tissues comprise the tree’s Cork or Bark, which is many layers thick.

b) Permanent complex tissues

• Complex tissues are made up of several cell types. All of these cells work together to accomplish a shared goal. They are classified into the following categories:
• Tracheids, vessels, xylem parenchyma, and xylem fibres make up the xylem . The walls of the cells are thick.
• Xylem aids in the transport of water and minerals.
• Sieve tubes, companion cells, phloem parenchyma, and phloem fibres make up** phloem.**
• Phloem distributes food material from the roots to different sections of the plant.

ANIMAL TISSUES

• Animal Tissues are subdivided into Epithelial tissue, Connective tissue, Muscular Tissue and Nervous Tissue.

Epithelial Tissue

Epithelial tissue is a continuous sheet-like protective layer. Simple epithelium is made up of a single layer that is exceedingly thin, whereas stratified epithelium is made up of layers that are ordered in a pattern.

a) Squamous epithelium in the lining of the mouth and oesophagus

b) Squamous epithelium in the lining of the oesophagus

c) Squamous epithelium in the lining of kidney tubules and salivary glands, cuboidal epithelium. Intestinal columnar epithelium and respiratory tract lining columnar epithelium with cilia

d) Glandular epithelial cells in the Glands have a unique role as gland cells that secrete at the epithelial surface.

Connective Tissue

• Blood is a connective tissue that is fluid in nature. RBCs (Red Blood Cells), WBCs (White Blood Cells), and platelets make up blood plasma.
• Proteins, salts, and hormones are all found in blood plasma. Gases, digested food, hormones, and waste products are all transported by blood.
• Bone is a connective tissue made up of calcium and phosphorus that has a hard matrix.
• A bone is joined to another bone via ligaments, which are connective tissue.
• Muscle connects a bone to a tendon, which is another connective tissue.

c) Cartilage

• Cartilage is a connective tissue made up of a solid protein and sugar matrix.
• The nose, ear, trachea, and larynx are all typical places to find it.

d) Areolar Connective Tissue

• This type of connective tissue can be found between the skin and muscles, as well as surrounding blood vessels.
• It helps to restore tissues and supports interior organs.

e) Adipose Connective Tissue

• It is made up of fat globules and is used to store fat.
• It serves as an insulator.

Muscular Tissue

• They have contractile proteins that allow them to move about. There are three types:
• Striated muscles, also known as skeletal muscles or voluntary muscles, are cylindrical, unbranched, and multinucleated muscle fibres. They come in two colours: dark and bright.
• Unstriated muscles, often known as smooth muscles or involuntary muscles, are characterised by the absence of striations (dark and light bands). Iris of an eye, alimentary canal, and uterus are all common locations. They have a spindle form to them. Nature is involuntary.
• Cardiac Muscles are cylindrical, branching, and uni-nucleate muscles that are generally referred to as heart muscles. Nature is involuntary.

Nervous Tissue

• Nervous Tissue is a type of tissue that reacts to stimuli.
• Nervous tissue, or neurons, make up the brain, spinal cord, and nerves.
• Cell Body, Cytoplasm, Nucleus, Dendrite, Axon, and Nerve Endings make up a neuron.
• When we wish to respond to stimuli, we use neuron impulses to move our muscles.

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NCERT Solutions for Class 9 Science Chapter 6 Tissues

Chapter 6 Tissues Class 9 Science NCERT Solutions

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CBSE Class 9 Science Revision Notes Chapter 6

Home » CBSE » CBSE Class 9 Science Revision Notes Chapter 6

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Class 9 Science Revision Notes Chapter 6 – Tissues 

Class 9 Chapter 6 Science Notes provided by Extramarks cover all the concepts of the chapter in detail. Students must thoroughly examine these Chapter 6 Science Class 9 Notes to have conceptual clarity on the different kinds of tissues explained in the chapter. These revision notes have been prepared by subject matter experts in simple language so that the students can understand the concepts easily. They can access these revision notes anytime and anywhere according to their convenience to make their study schedule more efficient and flexible. 

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CBSE Class 9 Science Chapter 6 – Tissues Revision Notes – Free Download

Tissues: class 9 science chapter 6 revision notes summary .

As students have studied cells in earlier classes, they can proceed to understand Chapter 6 Class 9 Science syllabus. Class 9 Science Notes Chapter 6 will help them get an in-depth understanding of the chapter. Here, they will learn about the different types of tissues that are present in plants and animals. These notes also precisely explain the differences between plant and animal tissue.

Subject matter experts have meticulously prepared these notes by dividing the entire chapter into proper segments and elaborating on each of them. Students can refer to these notes and prepare the chapter for exams by covering important points in a lesser time. Having gone through these notes thoroughly, they will be more confident in answering the questions in this chapter. Take a glance at the summary of the revision notes. 

The Class 9 Science Chapter 6 Notes start by discussing what tissues are and how they are formed. Tissues can be defined as a group of similar or different cells combining to serve a particular function or purpose. They are broadly categorised into two types- plant tissues and animal tissues.

The plant tissues are then segregated according to their functions and features. The revision notes also describe the difference between the different types of plant tissues. Here, students will find a proper explanation of meristematic tissues, permanent tissues and the differences between them. The Chapter 6 Science Class 9 Notes are prepared in such a way so that each student can easily identify the tissues and know their functions and features to write an answer for the related questions in exams. The easy and simple explanation of these tissues will surely help them in understanding all the complex concepts of the chapter. Self-studies will become easier if students refer to these revision notes.  

Proceeding further, the definition and description of the different types of tissues in an animal body according to their features and functions are covered. The notes then explain simple and complex permanent tissues and their specific functions. The description of tissues in these notes will help students develop a foundational knowledge of the topic. As students proceed to higher classes, this foundation will be helpful for them in developing a deeper understanding of the subject. 

The next section of the notes includes different epithelial tissues and their examples. The muscular tissues are also explained along with the different kinds of tissues. Another interesting feature of these notes is that each of its sections has precise examples and important points to remember. The next section of the notes deals with the different kinds of connective tissues. Students will find descriptions of tendons, blood, bones, adipose, ligaments, cartilage, and areolar tissues in these notes. 

The definition and description of the nervous system will next be explained in Class 9 Science Notes Chapter 6. The neurons are illustrated and discussed using clear illustrations and simple, understandable words. Along with a description of the nervous system, the roles of the nerve tissues are also outlined.

Why Prefer Using Extramarks Revision Notes for Class 9 Science Chapter 6?

The notes of Class 9 Science Chapter 6 have properly dealt with all the sections that most students find difficult and confusing. The simpler explanations, and using appropriate diagrams and examples will help students clear their doubts and prepare better for exams. Using these notes will even help them in quick revision for exams. 

With the help of these notes, they will be able to get an overview as well as a detailed understanding of the chapter. The notes are prepared by subject matter experts according to the latest CBSE Syllabus , so that they don’t miss out on any important topic of the chapter. 

Class 9 Science Revision Notes 

Those looking for reliable notes and error-free solutions for Class 9 Science have come to the right place. They can access Class 9 Science revision notes easily from Extramarks’ website, which will help them revise their complete syllabus and score better marks in their exams. The study material provided by Extramarks can also be used to prepare for competitive exams. The notes are carefully curated by subject matter experts according to the revised CBSE curriculum. Class 9 Science Revision Notes provided by Extramarks cover the following chapters: 

Chapter 1 – Matter in Our Surroundings

Chapter 2 – Is Matter Around Us Pure

Chapter 3 – Atoms and Molecules

Chapter 4 – Structure of The Atom

Chapter 5 – The Fundamental Unit of Life

Chapter 7 – Diversity in Living Organisms

Chapter 8 – Motion

Chapter 9 – Force and Laws of Motion

Chapter 10 – Gravitation

Chapter 11 – Work and Energy

Chapter 12 – Sound

Chapter 13 – Why Do We Fall ill

Chapter 14 – Natural Resources

Chapter 15 – Improvement in Food Resources

Study Materials for Class 9 CBSE 

Extramarks is a platform that provides NCERT solutions, notes and other types of study material for students. They can access them easily by directly logging in on the website and revising their entire syllabus to score better marks in their exams. Study material for Class 9 CBSE can be accessed here: 

• NCERT Solutions for Class 9
• RD Sharma Solutions for Class 9
• Sample Papers for Class 9
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FAQs (Frequently Asked Questions)

1. what is chapter 6 tissues of class 9 science about.

Chapter 6 of Class 9 Science covers basic information about tissues. This chapter provides an understanding of how tissues are structures made up of cells and goes on to discuss the different types of tissues found in both plants and animals, their function and sub-divisions along the structure of each tissue. It is an important chapter that the students must go through thoroughly to score more marks in their science exams. 

2. What are the different types of plant tissues? Explain with reference to Chapter 6 Tissues of Class 9 Science.

The revision notes provided by Extramarks will give you a clear understanding of the concept of tissues. It includes a detailed description of both animal and plant tissues. The plant tissues are classified into the following types, namely the meristematic tissues and permanent tissues. All these types are explained in detail in the revision notes to help students understand this chapter better.

3. Explain plant tissues.

It should be kept in mind that, unlike animals, plants are static. There is not much movement in their case. For the same reason, they are usually made of dead cells that form a strong textured tissue structure to give mechanical support to plants. This mechanical support is important since plants have direct exposure to various environmental factors such as sunlight, wind, storm, heavy rain etc. and they need to withstand it to survive. 

4. How many types of animal tissues are there? Explain according to Chapter 6 Tissues of Class 9 Science.

The tissues found only in animals are referred to as animal tissues. These animal tissues can be classified according to their position in an animal or human body, their functions, and their structure as follows:

• Epithelial Tissue
• Muscular Tissue 
• Connective Tissue
• Nervous Tissue 

5. What are meristematic tissues?

The growth of different plants occurs in different regions depending upon the climatic conditions of these regions. This is also due to the presence of dividing tissue which is commonly referred to as meristematic tissue. Meristematic tissues can be further classified as apical, lateral, and intercalary tissue based on the area where they are present: 

• An apical meristem is a meristem present at the growing or apical area of the plant, mainly the tips of stems and roots. It is responsible for the increase in the length of the plant.
• Lateral meristem usually appears in the radial portion of the root or stem. It causes an increase in the girth of the plant.
• Intercalary meristem is usually found at the base of the leaves or the internodes. It is responsible for an increase in the length of the internode.

6. Will Chapter 6 Class 9 Science Notes help in memorising the different kinds of animal tissues?

By referring to the Class 9 Science Chapter 6 notes, students will be able to understand the difference between different kinds of animal tissues and remember it without any confusion or difficulty. The notes discuss the different types of animal tissues with the help of appropriate diagrams and examples. They will also find the description of tendons, blood, bones, adipose, ligaments, cartilage, and areolar tissues in these notes. 

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NCERT Solutions for Class 9 Science Chapter 6 Tissues

NCERT Solutions for Class 9 Science (biology) Chapter 6 Tissues are given below. In these solutions, we have answered all the intext and exercise questions provided in NCERT class 9 science textbook. Class 9 NCERT Solutions Science Chapter 6 provided in this article are strictly based on the CBSE syllabus and curriculum. Students can easily download these solutions in PDF format for free from our app.

Class 9 Science Chapter 6 Textbook Questions and Answers

INTEXT QUESTIONS

PAGE NO. 69

Question 1: What is a tissue? 

Answer:  Tissue is a group of cells that are similar in structure and are organised together to perform a specific task.

Question 2: What is the utility of tissues in multi-cellular organisms?

Answer: In multicellular organisms, the body system is based on the division of labour (like muscle cells form muscular tissue which helps in movement). It means the cells performing a specific function are grouped together to form a particular tissue. The different tissues are organized in a way to provide the highest efficiency in the functioning of the body.

PAGE NO. 74

Question 1: Name types of simple tissues.

Answer: The types of simple tissues are as follows:

• Collenchyma
• Sclerenchyma

Question 2: Where is apical meristem found?

Answer: Apical meristem is present at the growing tips of stems and roots. Their main function is to initiate growth in new cells of seedlings, at the tip of roots, and shoots.

Question 3: Which tissue makes up the husk of coconut?

Answer: The husk of a coconut is made up of sclerenchyma tissue.

Question 4: What are the constituents of phloem?

Answer: Phloem is the food conducting tissue in plants. It is made up of four components:

• Sieve tubes
• Companion cells
• Phloem parenchyma
• Phloem fibres

PAGE NO. 77

Question 1: Name the tissue responsible for movement in our body.

Answer: The muscular tissue is responsible for movement in our body.

Question 2: What does a neuron look like?

Answer: A neuron consists of a cell body with a nucleus and cytoplasm, from which long thin hair like parts arise. Each neuron has a single long part called the axon, and many small, short branched parts called dendrite. An individual nerve cell is called neuron, it may be up to a metre long.

Question 3: Give three features of cardiac muscles.

Answer: Three features of cardiac muscles are:

Question 4:   What are the functions of areolar tissue?

Answer: Functions of areolar tissue:

1. It fills the space inside the organs, thus acts as a packing tissue between the organs. 2. It supports many delicate organs in the body. 3. It plays role in repair of tissues.

Question 1: Define the term ‘tissue’?

Answer: A tissue is defined as a cluster of cells which are similar in structure and work together to perform a particular function.

Question 2: How many types of elements together make up the xylem tissue? Name them.

Answer: The following four types of elements make up xylem tissue:

• Xylem parenchyma.
• Xylem fibres.

Question 3: How are simple tissues different from complex tissues in plants?

Answer: Simple tissues are made up of one type of cells which coordinate to perform a common function. 

Complex tissues are made up of more than one type of cells. All these coordinate to perform a common function.  

Question 4: Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell wall.

Answer: The differences between cell walls of parenchyma, collenchyma and sclerenchyma are given in the following table:

Question 5: What are the functions of Stomata?  

Answer: Functions of Stomata are:

Question 6: Diagrammatically show the difference between the three types of muscle fibres.

Question 7: What is the specific function of cardiac muscle?

Answer: Cardiac muscles facilitate contraction and relaxation of heart; which results in pumping action of the heart.

Question 8: Differentiate between striated, unstriated and cardiac muscles on the basis of their structure and site / location in the body.

Answer: Striated, Unstriated and Cardiac muscles are three types of muscle tissues. Their Different characteristics are as follows:

Question 9: Draw a labelled diagram of neuron.

Question 10: Name the following: (a) Tissue that forms the inner lining of our mouth. (b) Tissue that connects muscle to bone in humans. (c) Tissue that transports food in plants. (d) Tissue that stores fat in our body. (e) Connective tissue with a fluid matrix. (f) Tissue present in the brain.

Answer: (a) Tissue that forms the inner lining of our mouth → Epithelial tissue

(b) Tissue that connects muscle to bone in humans → Dense regular connective tissue (tendons)

(c) Tissue that transports food in plants → Phloem

(d) Tissue that stores fat in our body → Adipose tissue

(e) Connective tissue with a fluid matrix → Blood

(f) Tissue present in the brain → Nervous tissue

Question 11: Identify the type of tissue in the following: Skin, bark of tree, bone, lining of kidney tubule, vascular bundle.

Answer: Skin: Stratified squamous epithelial tissue

Bark of tree: Simple permanent tissue

Bone: Connective tissue

Lining of kidney tubule: Cuboidal epithelial tissue

Vascular bundle: Complex permanent tissue

Question 12: Name the regions in which parenchyma tissue is present.

Answer: Parenchyma is a simple permanent tissue of angiospermic plants. It is present in cortex and pith of stem and roots. It is also present in mesophyll of leaves. When it contains chlorophyll, it is called Chlorenchyma, found in green leaves.

Question 13:  What is the role of epidermis in plants?

Answer: The epidermis in plants forms an uninterrupted and continuous layer that has no intercellular spaces. It provides protection.

Epidermis is a protective tissue of angiospermic plants. It provides protections to underlying tissues. Epidermis forms outer covering of various plant organs such as roots, stem, leaves, and flowers and remains in direct contact with the environment. Any substance whether solid, liquid or gas can enter into the plant or move outside only after passing through this layer. Epidermis helps in absorption, secretion, gaseous exchange and transpiration. It helps in preventing the entry of pathogens.      

Question 14: How does the cork act as a protective tissue?

Answer: The outer protective layer or bark of a tree is known as the cork. It is made up of dead cells. Therefore, it protects the plant against mechanical injury, temperature extremes, etc. It also prevents the loss of water by evaporation.

Question 15: Complete the table:

Class 9 Science NCERT Solutions Chapter 6 Tissues

CBSE Class 9 Science NCERT Solutions Chapter 6 helps students to clear their doubts and to score good marks in the board exam. All the questions are solved by experts with a detailed explanation that will help students complete their assignments & homework. Having a good grasp over CBSE NCERT Solutions for Class 9 Science will further help the students in their preparation for board exams and other competitive exams such as NTSE, Olympiad, etc.

NCERT Solutions for Class 9 Science Chapter 6 PDF

Below we have listed the topics discussed in NCERT Solutions for Class 9 Science Chapter 6. The list gives you a quick look at the different topics and subtopics of this chapter.

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NCERT Solutions for Class 9 Science Chapter 6 Tissues PDF

NCERT Solutions is very important for all the students who want to ace their examinations. These solutions are developed by highly qualified subject matter experts at Selfstudys who have devoted their time and energy to help the students understand the topic with a clearly understanding. They have made sure to include each and every topic in these solutions and that too with explanations. Apart from this, these NCERT Solutions for Class 9 Science Chapter 6 Tissues are created as per the latest curriculum of CBSE (Central Board of Secondary Education) which also ensures that the students will be updated about the latest syllabus. This will increase their chances of scoring good marks in the exams. 

Our subject matter experts have covered each and every topic in these NCERT Solutions for Class 9 Science Chapter 6 Tissues. These solutions break the hard topics into easy terms which makes it easier for all the students to understand and learn the concept in an effective manner. Studying these solutions will give the students an idea about all the types of questions, from easy to intermediate to advanced. Also, the students will get to know about the most common types of questions that have a higher chance of appearing in the exam. 

This NCERT Solutions for class 9 Science Chapter 6 Tissues is written in simple language as our subject matter experts are aware of the learning power of each and every student, this is why they have created these solutions in a simple language so that no student faces any difficulty in studying from them. These NCERT Solutions for Class 9 Science Chapter 6 Tissues can be easily downloaded from the website of Selfstudys. 

NCERT Solutions for Class 9 Science Chapter 6 Tissues PDF 

The NCERT Solutions for Class 9 Science Chapter 6 Tissues can be easily downloaded from the website of Selfstudys. As they are developed by the subject matter experts in PDF Format, it becomes easier for the students to access them. Students can also access them on their mobile phones and can share them. 

NCERT Solutions for Class 9 Science Exercise Wise 

The subject matter experts at Selfstudys have created the NCERT Solutions for Class 9 in a chapter-wise format which helps the students to study the concepts in an organized way. This prevents them from getting confused and gives them a clear understanding of all the topics. 

NCERT Solutions for Class 9 Science Formula Wise 

NCERT Solutions for Class 9 Science Formula Wise consists of accurate formulas for topics covered in Science Class 9. These formulas act as a quick reference guide for students, helping them understand and apply scientific concepts effectively in exams and problem-solving situations. 

How to Download the NCERT Solutions for Class 9 Science Chapter 6 Tissues? 

Downloading the NCERT Solutions for Class 9 Science Chapter 6 Tissues is if you know the right steps. The steps to download them are as follows: 

• Visit the official website of Selfstudys i.e. Selfstudys.com.

• Once the website is completely loaded, you need to click on the three lines which you will find on the upper left side. Following that, you have to click on the ‘NCERT Books and Solutions’ column. 

• After clicking on the option of ‘NCERT Books and Solutions’, a new list will open where you need to select the option of ‘NCERT Solutions’. 

• Following that, you will be redirected to a page where you need to select the class and the subject for which you want to download the NCERT Solutions. 
• In this case, you need to select class 9 and the subject Science to download the NCERT Solutions for Class 9 Science Chapter 6 Tissues. 

What are the Features of the NCERT Solutions for Class 9 Science Chapter 6 Tissues? 

There are many features of the NCERT Solutions for Class 9 Science Chapter 6 Tissues which can be very beneficial for all the students. The most important features include: 

• Written in a Detailed Manner: The NCERT Solutions for Class 9 Science Chapter 6 Tissues is written in a detailed manner which helps the students to boost their conceptual knowledge. These solutions help the students to cover all the topics. 
• Easy Access: Another great feature of the NCERT Solutions for Class 9 Science Chapter 6 Tissues is that it can be accessed easily on the website of Selfstudys. They are also 24*7 available which is beneficial for students who want to study at night. 
• Consists of all the topics: The NCERT Solutions for Class 9 Science Chapter 6 Tissues consists of all the topics which boosts the confidence of all the students as they feel that that they are aware of all the topics which will eventually help them to score well in their exams. 
• Easy Language used: The language which is used in the NCERT Solutions for Class 9 Science Chapter 6 Tissues is easy because our subject matter experts at Selfstudys have developed these solutions in the easiest language as they are aware of the learning potential of each and every student. 
• Well-Structured Format: The NCERT Solutions for Class 9 Science Chapter 6 Tissues is developed in a well-developed format which helps the students to study with a clear understanding of all the topics without getting confused. 
• Accuracy and Dependable: Our subject matter experts have created these NCERT Solutions for Class 9 Science Chapter 6 Tissues after investing a good amount of time in them. They are accurate and dependable for exam preparation. These notes can also be extremely helpful for the students who do self-study. 

What are the Benefits of the NCERT Solutions for Class 9 Science Chapter 6 Tissues? 

The NCERT Solutions for Class 9 Science Chapter 6 Tissues has several benefits to offer to the students. Some of the most important of them are: 

• In-Depth Knowledge of the Topic: One of the biggest benefits of NCERT Solutions for Class 9 Science Chapter 6 Tissues is that it provides an in-depth knowledge of the topics. Each and every concept is well-detailed in these NCERT solutions. The diagrams and examples are also given to help the students understand the topics in a better way and also help in keeping the students interested. 
• Boosts Various Skills: Regularly practicing the NCERT Solutions for Class 9 Science Chapter 6 Tissues helps the students to boost various skills of the students which consist of various skills like problem-solving skills and analytical skills. 
• Clear Concepts: The NCERT Solutions for Class 9 Science Chapter 6 Tissues helps to build a strong base of all the Science concepts. Students can get to know all the concepts in a detailed manner which clears all the concepts and increases their chances of scoring well in their exams. 
• The Solutions are 100% authentic: One of the biggest benefits of the NCERT Solutions for Class 9 Science Chapter 6 Tissues is that they are 100% authentic. The subject matter experts at Selftsudys have invested a good amount of time in developing them and have ensured that they are 100% authentic. This helps the students to learn all the concepts in a clear manner. 

What are the tips to study from the NCERT Solutions for Class 9 Science Chapter 6 Tissues? 

There are various tips that can help the students to study effectively from the NCERT Solutions for Class 9 Science Chapter 6 Tissues: 

• Do a thorough reading of the NCERT Solutions: All the students are advised to do a thorough reading of the NCERT Solutions for Class 9 Science Chapter 6 Tissues as it will help them to understand the basic concepts with clearly understanding. 
• Create a timetable and follow it: It is very important for all the students to not only create a timetable but also follow it on a regular basis as it will help the students to know about the importance of discipline and getting disciplined. The students are advised to give at least 30-40 minutes to learn the concepts thoroughly. They should give enough time to each topic that is present in the NCERT Solutions for Class 9 Science Chapter 6 Tissues. Regularly following this schedule ensures the timely completion of the topics. 
• Reduce the distractions: It is advisable for all the students to reduce all teh distractions as they can affect their exam preparation of the student. They should stay away from their mobile phones and other electronic gadgets, for example, TV, etc. to avoid all the distractions while studying NCERT Solutions for Class 9 Science Chapter 6 Tissues. 

How to Master the NCERT Solutions for Class 9 Science Chapter 6 Tissues?

There are various ways to master NCERT Solutions for Class 9 Science Chapter 6 Tissues. Some of the most important of them are: 

• Go through the NCERT Solutions thoroughly: The first thing which students should do to master the NCERT Solutions for Class 9 Science Chapter 6 Tissues is to read them thoroughly as it will help them to strengthen the basics. This will make it easier for them to learn the concepts faster and with accuracy. 
• Practice these NCERT Solutions on a regular basis: All the students are advised to regularly practice the NCERT Solutions for Class 9 Science Chapter 6 Tissues as it will help them to grasp the concepts easily which will eventually enable them to score good marks in their exams. Apart from this, the conceptual knowledge of all the students is also increased. 
• Make a list of your mistakes and work on them: All the students are advised to make a list of their mistakes while studying the NCERT Solutions for Class 9 Science Chapter 6 Tissues and work on them as it will help them to understand where they are lacking behind and what they can do to improve themselves in order to do well in their exams. 
• Practice additional exercises: Apart from the exercises provided in the NCERT Solutions for Class 9 Science Chapter 6 Tissues, the students should practice additional problems related to the concepts covered in Chapter 6 Tissues. This will further reinforce your understanding and help you apply the learned concepts in different contexts. 

How to Maximise Your Learning Potential While Solving the NCERT Solutions for Class 9 Science Chapter 6 Tissues? 

To maximize your learning potential while solving the NCERT Solutions for Class 9 Science Chapter 6 Tissues, here are the tips which can help you: 

• Read the NCERT Solutions thoroughly: It is advisable for all the students to read the NCERT Solutions for Class 9 Science Chapter 6 Tissues thoroughly as it will help them to understand the topics clearly understanding which will make it easier for them to learn all the concepts. 
• Practice on a regular basis: This is one of the most important features which every student should follow in order to do exam preparation effectively. This means practicing the NCERT Solutions on a regular basis as it will help them in understanding the concepts with clear understanding and in-depth knowledge which can help them to score good marks in the exams. 
• Revise the concepts on a regular basis: Revising all the concepts from NCERT Solutions for Class 9 Science Chapter 6 Tissues is very important for students as it helps them recall all the information they studied during exam preparation. To ensure regular revision, students can use various methods such as creating flashcards, notes, and other study materials. 

What Are the Methods To Study From NCERT Solutions for Class 9 Science Chapter 6 Tissues? 

Studying for the exam requires focus and concentration. below we will discuss various methods of how students can study for an exam with the help of ncert solutions for class 9 science chapter 6 tissues: .

• Making a strong grip on basics: Developing a strong foundation in the fundamentals is crucial for all students, and studying NCERT Solutions for Class 9 Science Chapter 6 Tissues is an important step towards achieving this goal. By mastering the basic concepts, students can gain a clear understanding of the subject, which in turn facilitates quicker and more effective learning. 
• Study the NCERT Solutions for Class 9 Science Chapter 6 Tissues on a regular basis: All the students are advised to study NCERT Solutions for Class 9 Science Chapter 6 Tissues regularly as it will help them to prepare for the exam effectively. It also increases the chance of the students scoring good marks in the exams. 
• Always read the summary of your textbook: All the students are advised to read the summary which is included in the NCERT Solutions for Class 9 Science Chapter 6 Tissues. The students should read them regularly as they will get benefited because they will get in-depth knowledge of all the topics and will also help them to prepare well for the exams. This will increase their chances of scoring good marks in the exams. 
• Find your strengths and weaknesses: It is very essential for all the students to identify their strengths and weaknesses as it will help them to understand where they need to do more hard work in order to score good marks in their examinations. 
• Do revision on a timely basis: If students want to score good marks in their exams, it is very important for them to engage in the timely revision of NCERT Solutions for Class 9 Science Chapter 6 Tissues. 

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Case Study Questions Class 9 Science The Fundamental Unit of Life

Case study questions class 9 science chapter 5 the fundamental unit of life, cbse case study questions class 9 science – the fundamental unit of life.

Plant cells, in addition to the plasma membrane, have another rigid outer covering called the cell wall. The cell wall lies outside the plasma membrane. The plant cell wall is mainly composed of cellulose. Cellulose is a complex substance and provides structural strength to plants. When a living plant cell loses water through osmosis there is shrinkage or contraction of the contents of the cell away from the cell wall. This phenomenon is known as plasmolysis.

Every cell has a membrane around it to keep its own contents separate from the external environment. Large and complex cells, including cells from multicellular organisms, need a lot of chemical activities to support their complicated structure and function. To keep these activities of different kinds separate from each other, these cells use membrane-bound little structures within themselves. The cytoplasm is the jelly like fluid content inside the plasma membrane which contains many specialised cell organelles. Such as Endoplasmic Reticulum, Golgi apparatus, Lysosomes, Ribosomes, Nucleus, Chloroplast, Mitochondria and Plastids.Each of these organelles performs a specific function for the cell. Some of these organelles are visible only with an electron microscope. They are important because they carry out some very crucial functions in cells.

(b) Statement 2 & 4

(4) Cell organelles are the specialized organelles present with in the cells these organelles are involved in carrying out essential functions.

The Golgi apparatus, first described by Camilo Golgi, consists of a system of membrane-bound vesicles (flattened sacs) arranged approximately parallel to each other in stacks called cisterns. These membranes often have connections with the membranes of ER and therefore constitute another portion of a complex cellular membrane system. The material synthesised near the ER is packaged and dispatched to various targets inside and outside the cell through the Golgi apparatus. Its functions include the storage, modification and packaging of products in vesicles. In some cases, complex sugars may be made from simple sugars in the Golgi apparatus. The Golgi apparatus is also involved in the formation of lysosomes

(d) Vacuoles

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Case Study Questions for Class 6 Science Chapter 9 Living Organisms and Their Surroundings

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[Download] Case Study Questions for Class 6 Science Chapter 9 Living Organisms and Their Surroundings

Here we are providing case study or passage-based questions for class 6 science chapter 9 Living Organisms and Their Surroundings.

Case Study/Passage Based Questions

A lion lives in forest. It is a strong animal. It has a light brown colour, long claws in their front leg that can be withdrawn inside the toes. It has eyes in front of its face. 1. The habitat of a lion is (a) terrestrial habitat (b) forest (c) grassland (d) All of the above 2. The light brown colour of lion helps it (a) to hide in green grassland when it hunts for prey (b) to hide in dry grassland when it hunts for prey (c) Both (a) and (b) (d) None of the above 3. The eyes in front of the face of a lion allow it (a) to see its prey even at night (b) to have correct idea about the location of its prey (c) to keep it alert and keep on eye on its prey (d) All of the above

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What is case study question for class 6 science.

Case study or passage-based questions in class 6 Science typically require students to read a given scenario or passage and answer questions based on the information provided. These questions assess students’ comprehension, analytical thinking, and application of scientific concepts. Here is an example of case study or passage-based questions for class 6 Science:

Passage: Rahul conducted an experiment to investigate how different liquids affect the rusting of iron nails. He placed four iron nails in four separate beakers containing water, vinegar, oil, and saltwater. After one week, he observed the nails and recorded his observations.

a) What is the purpose of Rahul’s experiment?

b) Compare and contrast the appearance of the iron nails in each beaker after one week.

Best Ways to Prepare for Case Study Questions

To develop a strong command on class 6 Science case study questions, you can follow these steps:

• Read the textbook and study materials: Familiarize yourself with the concepts and topics covered in your class 6 Science curriculum. Read the textbook thoroughly and take notes on important information.
• Practice analyzing case studies: Look for case studies or passages related to class 6 Science topics. Analyze the given information, identify key details, and understand the context of the situation.
• Develop comprehension skills: Focus on improving your reading comprehension skills. Practice reading passages or articles and try to summarize the main points or extract relevant information. Pay attention to details, vocabulary, and the overall structure of the passage.
• Understand scientific concepts: Ensure that you have a solid understanding of the scientific concepts discussed in class. Review the fundamental principles and theories related to each topic.
• Make connections: Try to connect the information provided in the case study to the concepts you have learned in class. Identify any cause-effect relationships, patterns, or relevant scientific principles that apply to the situation.
• Practice critical thinking: Develop your critical thinking skills by analyzing and evaluating the information given in the case study. Think logically, consider multiple perspectives, and draw conclusions based on the evidence provided.
• Solve practice questions: Look for practice questions or sample case study questions specifically designed for class 6 Science. Solve these questions to apply your knowledge, practice your analytical skills, and familiarize yourself with the format of case study questions.
• Seek clarification: If you come across any challenging concepts or have doubts, don’t hesitate to ask your teacher for clarification. Understanding the underlying principles will help you tackle case study questions effectively.

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Class 9 Science Case Study Questions Chapter 2 Is Matter Around Us Pure

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Case study Questions in Class 9 Science Chapter 2 are very important to solve for your exam. Class 9 Science Chapter 2 Case Study Questions have been prepared for the latest exam pattern. You can check your knowledge by solving  Class 9 Science Case Study Questions  Chapter 2 Is Matter Around Us Pure?

Join our Telegram Channel, there you will get various e-books for CBSE 2024 Boards exams for Class 9th, 10th, 11th, and 12th.

In CBSE Class 9 Science Paper, Students will have to answer some questions based on Assertion and Reason. There will be a few questions based on case studies and passage-based as well. In that, a paragraph will be given, and then the MCQ questions based on it will be asked.

Is Matter Around Us Pure? Case Study Questions With Answers

Here, we have provided case-based/passage-based questions for Class 9 Science  Chapter 2 Is Matter Around Us Pure?

Case Study/Passage-Based Questions

Case Study 1: Akshita wants to separate the mixture of dyes constituting a sample of ink. She marked a line by the ink on the filter paper and placed the filter paper in a glass containing water as shown in the figure. The filter paper was removed when the water moved near the top of the filter paper.

(i) Identify the technique used by the Akshita. (a) Sedimentation (b) Filtration (c) Chromatography (d) Distillation

Answer: (c) Chromatography.

(ii) What would you expect to see, if the ink contains three different coloured components? (a) We will not see any band on the filter paper. (b) We would see three bands on the filter paper at various lengths. (c) We would see infinite bands on the filter paper. (d) We would see the single band on the filter paper.

Answer: (b) The components of the ink will travel with water and we would see three bands on the filter paper at various lengths.

(iii) An application where you can use this technique is: (a) To separate salt from sand (b) To separate the wheat from the husk (c) To separate oil from water (d) To separate drugs from the blood.

Answer: (d) To separate drugs from blood.

(iv) The above process is used for the separation of : (a) insoluble substances (b) single solute that dissolves in the soluble solvent. (c) solutes that dissolve in the same solvent. (d) solutes that dissolve in the different solvents.

Answer: (c) For the separation of those solutes that dissolve in the same solvent.

(v) What is chromatography? (a) It is an agricultural method to separate grains (b) A method to separate magnetic impurities from non-magnetic impurities

(c) The process of separating the suspended particles of an insoluble substance (d) Method of separating and identifying various components in a mixture, which are present in small trace quantities.

Answer: (d) Method of separating and identifying various components in a mixture, which are present in small trace quantities.

Case Study 2: A homogeneous mixture of two or more substances is called a true solution. it consists of solute and solvent. The particle size of the true solution is less than 1 nanometer. A suspension is a heterogeneous mixture in which the solute particle does not dissolve but remains suspended throughout the bulk of the medium. A colloid is a mixture that is actually heterogeneous but appears to be homogeneous as the particles are uniformly spread throughout the solution.

(i) which one of the following is most stable? 

A)True solution

B)Suspensions

D) both A and B

Answer: A)True solution

ii) which type of mixture can be separated by filtration? 

D)All of these

Answer: B)Suspensions

iii) which statement is incorrect about the Tyndall effect. *

A)True solution shows Tyndall effect

B)Suspensions show the Tyndall effect

C)Colloid show Tyndall effect

D)Both B and C show the Tyndall effect

Answer: A)True solution shows Tyndall effect

iv) Which is the correct order of stability of solution *

A) True < Colloid<Suspension

B)Colloid<Suspension<True

C)Colloid<True<Suspension

D)Suspension<Colloid<True

Answer: D)Suspension

Case Study 3:

Matter can be classified into two categories: pure substances and mixtures. Pure substances are made up of a single type of particle and cannot be separated into other substances by physical methods. They have definite and constant properties. On the other hand, mixtures are made up of two or more substances that are physically combined and can be separated into their individual components. Mixtures can be further classified into homogeneous and heterogeneous mixtures. Homogeneous mixtures are uniform in composition, meaning the components are evenly distributed throughout the mixture. Heterogeneous mixtures, on the other hand, have non-uniform composition with visible different parts. It is important to understand the nature of matter around us and differentiate between pure substances and mixtures to comprehend their properties and behavior.

What is the main characteristic of a pure substance? a) Made up of two or more substances b) Cannot be separated into other substances c) Has non-uniform composition d) Components are evenly distributed Answer: b) Cannot be separated into other substances

Which of the following is an example of a pure substance? a) Air b) Saltwater c) Gold d) Soil Answer: c) Gold

How are mixtures different from pure substances? a) Mixtures have definite and constant properties b) Mixtures are made up of a single type of particle c) Mixtures cannot be separated into other substances d) Mixtures are physically combined and can be separated Answer: d) Mixtures are physically combined and can be separated

Which type of mixture has a non-uniform composition? a) Homogeneous mixture b) Heterogeneous mixture Answer: b) Heterogeneous mixture

What is the primary reason for understanding the nature of matter around us? a) To separate mixtures into pure substances b) To comprehend the properties and behavior of matter c) To classify mixtures into homogeneous and heterogeneous d) To identify the components in pure substances Answer: b) To comprehend the properties and behavior of matter

Hope the information shed above regarding Case Study and Passage Based Questions for Class 9 Science Chapter 2 Is Matter Around Us Pure? with Answers Pdf free download has been useful to an extent. If you have any other queries about CBSE Class 9 Science Is Matter Around Us Pure? Case Study and Passage-Based Questions with Answers, feel free to comment below so that we can revert back to us at the earliest possible By Team Study Rate

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• CBSE Class 9

CBSE Class 9 Science Deleted Syllabus for 2025 Exams: Check Full Details Here

Cbse class 9 science deleted syllabus 2025: this article gives insights into the topics from cbse class 9 science syllabus that are not required for the 2025 examinations. students also check the ncert deleted syllabus for class 9 science. .

  CBSE Class 9 Science Deleted Syllabus 2025: The Central Board of Secondary Education (CBSE) is a national level education board. The Board had revised its syllabus for various subjects after the pandemic. This was done to decrease the curriculum load on students. In this article we have provided the deleted syllabus for Class 9 Science that has been removed by the Board. 

CBSE Class 9 Science Deleted Syllabus 

  NCERT Deleted Syllabus Class 9 Science 

CBSE Class 9 students can also check and download the revised  syllabus of Science from the direct link given below. 

Tips To Prepare for CBSE Class 9 Science Examination

1. Check the syllabus thoroughly so that you can avoid preparing for the dropped topics. Next you should create a study plan and allot sufficient time for all the chapters. Don’t be biased towards chapters that you like. 

2. As you study, prepare chapter wise notes which will also help you at the time of revision. The notes can contain definitions of important terms, essential pointers, formulae etc. 

3. Before jumping to other books, finish the NCERT Class 9 Science textbook. NCERT Books help students to gain an understanding of concepts and strengthen their basics. These books are recommended due to their explanation of even difficult topics in simple and clear language. 

4. Solve the questions given at the end of the chapters in the textbook. Questions given in the NCERT books are always considered very important as not only do they help you to analyse your understanding of the concepts involved in a chapter but also in preparing for the examinations. 

5. Practice writing the answers as much as you can to improve your efficiency in writing. Write in a clear and presentable manner which will help you in the examination as well. 

6.S olve the previous year question papers. This will help you to learn how to manage time in the main examination and familiarize you with the common questions asked every year. 

CBSE Video Courses for All Subjects for Class 9 Students

Class 9 students can study effectively with the help of video courses prepared by the subject matter experts. These video courses will explain the concepts in a simple and interactive manner which will help learners to understand clearly. The videos are available for all major subjects.

Click on the below link:

CBSE Class 9 Video Courses 

Also, check

CBSE Class 9 Syllabus 2024-2025: Download Subject-Wise Syllabus PDFs Here

NCERT Books for Class 9 (Latest Edition)

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