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NCERT Solutions For Class 9 Science Chapter 6 Tissues
Edited By Irshad Anwar | Updated on Apr 15, 2025 06:16 PM IST
NCERT Solutions for Class 9 Science Chapter 6 Tissues introduces students to the groups of similar cells working together to perform specific functions. It explains the difference between unicellular and multicellular organisms and why multicellular organisms require specialized tissues. Students learn about the two main types of tissues, plant tissues and animal tissues, along with their structure, functions, and types.
This Story also Contains
- Download PDF of NCERT Solutions For Class 9 Science Chapter 6
- NCERT Solutions for Class 9 Science Chapter 6
- Overview of the Chapter Tissues
- Important Topics of NCERT Class 9 Science Chapter 6 Tissues
- How to solve NCERT Class 9 Science Chapter 6 questions effectively?
- NCERT Solutions for Class 9 Science Chapter-wise
- Practice Questions for Class 9 Science Tissues
The chapter covers important topics such as meristematic and permanent tissues in plants, including parenchyma, collenchyma, and sclerenchyma, as well as epidermis and vascular tissues (xylem and phloem). NCERT Solutions here also explains different types of animal tissues, including epithelial, connective, muscular, and nervous tissues, highlighting their roles in the body.
NCERT Solutions for Class 9 Science provide step-by-step answers to textbook questions in a simple and easy-to-understand manner. These detailed explanations help students grasp key concepts such as tissue structure, functions, and importance in living organisms, making exam preparation more effective and systematic.
Download PDF of NCERT Solutions For Class 9 Science Chapter 6
Students can download the complete questions with detailed answers PDF of this chapter for better learning:
Also Read
- NCERT Notes for Class 9 Science Chapter 6 Tissues
- NCERT Exemplar for Class 9 Science Chapter 6 Tissues
NCERT Solutions for Class 9 Science Chapter 6
The detailed answers to all the questions in this chapter are given below:
Topic 6.1 (page 61)
Ques 1. What is a tissue?
Answer:
A group of cells that are similar in structure and cooperate to carry out a specific function is referred to as a tissue.
Ques 2. What is the utility of tissues in multicellular organisms?
Answer:
In multicellular organisms, tissues are used to allow for the division of labor as well as to provide structural and mechanical strength.
Topic 6.2 (page 65)
Ques 1. Name types of simple tissues.
Answer:
Simple permanent tissues are of three types:
(i) Parenchyma (ii) Collenchyma and (iii) Sclerenchyma.
Parenchyma tissue can be further divided into two types:
(a) aerenchyma and (b) chlorenchyma.
Ques 2. Where is the apical meristem found?
Answer:
The apical meristem is found at the growing tips of roots and shoots of plants. Its main function is to increase the length of the stem and root by initiating the growth of new cells.
Ques 3. Which tissue makes up the husk of coconut?
Answer:
- The husk of a coconut is made up of sclerenchyma tissue. It is a permanent tissue whose cells are dead.
- They are long and narrow, as the walls are thickened due to lignin. This tissue makes the husk hard and thick.
Ques 4. What are the constituents of the phloem?
Answer:
The phloem is a conducting or vascular tissue of the plants which transports food from leaves to other parts of the plant. The phloem is made up of four types of elements:
(i) sieve tubes (ii) companion cells (iii) phloem fibers, and (iv) phloem parenchyma.
Out of these four, only phloem fibers are dead cells.
Topic 6.3 (page 69)
Ques 1. Name the tissue responsible for movement in our body.
Answer:
- The muscular tissue is responsible for movement in our body.
- Muscular tissue consists of muscle fibres which are elongated cells. The movement is caused when these muscles contract and relax.
Ques 2. What does a neuron look like?
Answer:
- Neurons or nerve cells are the structural and functional unit of the nervous tissue. The brain, spinal cord, and nerves are all composed of nervous tissue.
- A neuron consists of a cell body with a nucleus and cytoplasm, from which long, thin, hair-like parts arise. Each neuron consists of axons, a single long part (process), and dendrites, which are the short, branched parts (processes).
- The axon transmits impulses away from the cell body, whereas the dendrite receives nerve impulses from other nerve cells or external stimuli.
Ques 3. Give three features of cardiac muscles.
Answer:
The heart, which pumps blood throughout the body, is made up of cardiac muscles. Three features of cardiac muscle are:
(i) Cardiac muscles are involuntary. They cannot be controlled by a will.
(ii) Cardiac muscle cells are cylindrical, branched and uninucleate.
(iii) Cardiac muscles show rhythmic contraction and relaxation throughout life.
Ques 4. What are the functions of areolar tissue?
Answer:
Areolar tissue is a connective tissue that fills the space inside the organs, supports internal organs and helps in the repair of tissues. It is found between the skin and muscles, around blood vessels and nerves and in the bone marrow.
NCERT Solutions for Class 9 Science Chapter 6 Tissues: Solved Exercise Questions
Ques 1. Define the term “tissue”.
Answer:
Tissue is a group of cells that are similar in structure and perform the same function.
For example, Blood, phloem, muscles.
Ques 2. How many types of elements together make up the xylem tissue? Name them.
Answer:
Xylem transports water and minerals vertically from the roots to various parts of the plants. Xylem tissue consists of four different types of cells:
(i) Tracheids (ii) Vessels (iii) Xylem Parenchyma (iv) Xylem fibres
Out of these four, only Xylem Parenchyma is a living cell.
Ques 3. How are simple tissues different from complex tissues in plants?
Answer:
Simple tissues are different from complex tissues in plants in the following ways
| Simple tissues | Complex tissues |
| Simple tissues are composed of a single type of cells. | Complex tissues are composed of cells of more than one type. |
| These tissues are protective and supportive in function. | The function is the conduction of water, minerals and food products to different parts of the body |
| Three types of simple tissues are: parenchyma, collenchyma, and sclerenchyma | Two types of complex tissues are Xylem and Phloem |
Ques 4. Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell wall.
Answer:
| Parenchyma | Collenchyma | Sclerenchyma |
| The cell walls are thin and are very loosely packed. | The cell wall is thick at corners, with very little space between cells. | The cell wall is thick and uniform with no intercellular spacings. |
| Cell Wall is Primary | Cell Wall is Primary | The cell wall is Secondary |
| Cell walls made up of cellulose | The cell wall is made up of pectin and hemicellulose | The cell wall has an additional layer of lignin. |
Ques 5. What are the functions of the stomata?
Answer:
Stomata are the small pores on the surface of the leaf. Functions of the stomata are :
(i) They allow the exchange of gases (CO2 and O2 ) with the atmosphere.
(ii) Transpiration (loss of water in the form of water vapour) also takes place through stomata.
Ques 6. Diagrammatically show the difference between the three types of muscle fibres.
Answer:
The three types of muscle fibers are:
(i) Striated muscle
(b) Smooth muscle (Unstriated)
(c) Cardiac muscle
Ques 7. What is the specific function of the cardiac muscle?
Answer:
- The cardiac muscles are present in the wall of the heart.
- The specific function of the cardiac muscle is to control the continuous rhythmic contraction and relaxation of the heart.
Answer:
| Striated Muscle | Unstriated Muscle | Cardiac Muscle |
| These are voluntary muscles. | These are involuntary muscles. | These are involuntary muscles. |
| The cells are long and cylindrical. | The cells are long with pointed ends. | The cells are cylindrical. |
| Cells are unbranched | Cells are unbranched | Cells are branched |
| Cells are multinucleate. | Cells are uninucleate. | Cells are uninucleate |
| These muscles are present in limbs and join the bones. | These muscles are found in the alimentary canal, bronchi of the lungs, etc. | These muscles are only found in the wall of the heart. |
Ques 9. Draw a labelled diagram of a neuron.
Answer:
A neuron consists of a cell body with a nucleus and cytoplasm, from which long, thin, hair-like parts arise. Each neuron consists of axons, a single long part (process), and dendrites, which are the short, branched parts (processes).
The axon transmits impulses away from the cell body, whereas the dendrite receives nerve impulses from other nerve cells or external stimuli.
Ques 10. (a) Name the following.
- Tissue that forms the inner lining of our mouth.
Answer:
The tissue that forms the inner lining of our mouth is epithelial tissue.
( Epithelial tissue cells are tightly packed and form a continuous sheet with almost no intercellular spaces.)
Ques 10.(b) Name the following.
- Tissue that connects muscle to bone in humans.
Answer:
The tissue that connects muscle to bone in humans is a tendon.
(Tendons are connective tissue. They are fibrous tissue with great strength but limited flexibility.)
Ques 10. (c) Name the following.
- Tissue that transports food in plants.
Answer:
The tissue that transports food in plants is the phloem.
(Phloem transports food manufactured in the leaves to other parts of the plant.)
Ques 10. (d) Name the following.
- Tissue that stores fat in our body.
Answer:
Tissue that stores fat in our body is adipose tissue.
(Adipose tissue is found below the skin and between internal organs. The cells of this tissue are filled with fat globules, which act as insulators.)
Ques 10. (e) Name the following.
- Connective tissue with a fluid matrix
Answer:
Connective tissue with a fluid matrix is Blood.
(Blood flows to transport oxygen, food, hormones and waste material)
Ques 10. (f) Name the following.
- Tissue present in the brain.
Answer:
The tissue present in the brain is nervous tissue.
( The brain, spinal cord and nerves are all composed of nervous tissue. The cells of this tissue are called nerve cells or neurons.)
Answer:
The types of tissue in the following are:
Skin - Stratified squamous epithelial tissue
The bark of a tree - Simple permanent tissue
Bone – Skeletal connective tissue
Lining of kidney tubules - Cuboidal epithelial tissue
Vascular bundle - Complex permanent tissue
Ques 12. Name the regions in which parenchyma tissue is present.
Answer:
The parenchyma tissue is present in leaves, fruits, and flowers.
Parenchyma is the most common simple permanent tissue consisting of relatively unspecialized cells with thin cell walls (living cells). This tissue generally stores food and chlorophyll.
Ques 13. What is the role of the epidermis in plants?
Answer:
The epidermis is the outermost layer of cells of a plant's body. The epidermis is usually made of a single layer of cells.
The following are the roles of the epidermis:
1. The entire surface of plants living in very dry habitats has an outer covering of epidermis to protect against water loss.
2. To protect against loss of water, mechanical injury and invasion by parasitic fungi, epidermal cells on the aerial parts of the plant often secrete a waxy, water-resistant layer on their outer surface.
3. Stomata present on the epidermis help in gaseous exchange and transpiration.
Since it has a protective role to play, epidermal tissue cells form a continuous layer with no intercellular space.
Ques 14. How does the cork act as a protective tissue?
Answer:
Cork is the outer protective layer of the bark of a tree. The cork cells are dead and compactly packed with no intercellular space. Their cell walls are coated with a waxy substance, suberin, which does not allow water and gases to pass through.
Therefore, it protects the plant against mechanical injury and also prevents the loss of water by evaporation.
Ques 15. Complete the following chart:
Answer:
- Simple permanent tissue is of three types: Parenchyma, Collenchyma and Sclerenchyma
- Complex permanent tissue is of two types: Xylem and Phloem
Thus, the completed chart is :
NCERT Solutions for Class 9 - Subject-wise
Overview of the Chapter Tissues
Chapter 6, Tissues, discusses how multicellular organisms coordinate groups of like cells to have specific functions. It describes the necessity of tissues in complex bodies and emphasizes plant and animal tissue differences. Plant tissues are divided into meristematic and permanent tissues in this chapter, whose structure and function are described, including parenchyma, collenchyma, sclerenchyma, xylem, and phloem. Likewise, it presents animal tissues, such as epithelial, connective, muscular, and nervous tissues, and describes their functions in the body. The comprehension of this chapter enables students to understand how various tissues support growth, repair, and general functioning in plants and animals, providing a solid foundation for further studies in biology.
Important Topics of NCERT Class 9 Science Chapter 6 Tissues
Topics and Sub Topics are listed below:
| 6.1 | Are Plants and Animals Made of the Same Types of Tissues? |
| 6.2 | Plant Tissues |
| 6.2.1 | Meristematic Tissue |
| 6.2.2 | Permanent Tissue |
| 6.2.2 (i) | Simple Permanent Tissue |
| 6.2.2 (ii) | Complex Permanent Tissue |
| 6.3 | Animal Tissues |
| 6.3.1 | Epithelial Tissue |
| 6.3.2 | Connective Tissue |
| 6.3.3 | Muscular Tissue |
| 6.3.4 | Nervous Tissue |
How to solve NCERT Class 9 Science Chapter 6 questions effectively?
The students should start by clearly understanding the classification of plant and animal tissues with examples before starting to solve the questions. Diagrams can be used to differentiate between types of tissues such as parenchyma, collenchyma, and sclerenchyma or muscular and connective tissues. They should focus on their structure, functions and locations in the body. They should practice diagrams, labelling and drawing tissues as they are frequently asked in the exams. The Tissues NCERT Solutions has all the solved exercise questions with to-the-point answers and necessary information. Regularly solving the text and exemplar questions will help in understanding the chapter and improving retention of the concepts.
NCERT Solutions for Class 9 Science Chapter-wise
Below mentioned are the Chapterwise solutions:
Practice Questions for Class 9 Science Tissues
Below are a few solved practice questions:
Q1. Which two muscle fibres are cylindrical in shape?
Answer:
Both cardiac and skeletal muscle fibres are cylindrical in shape. The skeletal muscle fibres are long, cylindrical, unbranched and multinucleated (have more than one nucleus). The cells of the heart are branched, cylindrical, and uninucleated.
Q2. Which connective tissue has the hardest intercellular matrix?
Answer:
Bone is a connective tissue in which the bone cells are embedded in the intercellular matrix which is hard and contains calcium and phosphate.
Q3. What are the different locations of squamous epithelium?
Answer:
Location of squamous epithelium:
- The inner lining of the blood vessels (simple squamous epithelium)
- The inner lining of the lung alveoli (simple squamous epithelium)
- The Inner lining of the oesophagus (simple squamous epithelium)
- the inner lining of the mouth (simple squamous epithelium)
- Skin (stratified squamous epithelium)
Q4. What is the substance responsible for providing hardness to the sclerenchyma cells?
Answer:
Lignin acts as a cement to make the hard cell wall of sclerenchyma cells.
Q5. What is the point that creates differences between the animal and plant tissues?
Answer:
Plants are stationary and animals are constantly moving from one place to another in search of food, shelter and mate. Hence animals are required to consume more energy as compared to plants. The growth in plants is constrained to some regions whereas the growth in animals is carried throughout their body.
Tissue study in this chapter is an integral part of biology that enables students to learn how individual cells collaborate to carry out specific functions in multicellular organisms. Knowledge about plant and animal tissues, structures, and functions is vital for advanced studies in life sciences. NCERT Solutions delivers precise, step-by-step solutions to textbook problems, facilitating easy understanding of complex concepts. They aid in successful revision, strengthening problem-solving, and constructing a firm platform for exams as well as advanced studies of biology.
Also Check NCERT Books and NCERT Syllabus here:
Frequently Asked Questions (FAQs)
1. What are the main types of plant tissues?
Plant tissues are categorized into meristematic tissues (growth) and permanent tissues, including simple tissues (parenchyma, collenchyma, sclerenchyma) and complex tissues (xylem and phloem for transport).
2. What are the types of animal tissues?
Animal tissues are categorised into epithelial (covering), connective (support and transport), muscular (movement), and nervous (transmission of signals) tissues. Each of them plays an important function in the maintenance of body form and function.
3. What are meristematic tissues?
Meristematic tissues are cells that are actively dividing and are present in the growing regions of plants, including root tips, shoot tips, and cambium. They help in the growth of plants by developing new cells, which subsequently differentiate into different tissues.
4. What are the functions of xylem and phloem?
Xylem conveys water and minerals from roots to the rest of the plant, whereas phloem conveys food (sugars) from leaves to the entire plant. Both are complex tissues vital for plant survival.
5. What is parenchyma tissue?
Parenchyma is a simple living plant tissue made up of thin-walled cells. It is involved in photosynthesis, nutrient storage, and plant wound healing, and can have chloroplasts (chlorenchyma) or air spaces (aerenchyma) in aquatic plants.
6. What is the role of epidermal tissue in plants?
The epidermis is the outermost protective layer of plants. It hinders water loss, guards against pathogens, and can develop stomata for gas exchange and cuticle layers for reducing evaporation.
7. What is the difference between simple and complex tissues in plants?
Simple tissues (collenchyma, parenchyma, sclerenchyma) have a single cell type and carry out fundamental functions such as support and storage. Complex tissues (phloem and xylem) have more than one cell type and enable water, nutrient, and food transport.
8. What is sclerenchyma tissue and its function?
Sclerenchyma is a dead and hard plant tissue with thick cell walls. Sclerenchyma provides mechanical strength and support to plants, present in seed coats, nuts, and fibers such as jute.
9. What is the difference between animal and plant tissues?
Plant tissues comprise meristematic and permanent tissues, whereas animal tissues are categorized into epithelial, connective, muscular, and nervous. Plant tissues enable growth and transport, whereas animal tissues facilitate movement, coordination, and protection.
10. Why is the study of tissues important in biology?
Tissue study enables us to understand the structure, function, growth, and mechanisms of disease in organisms. It sheds light on specialization of cells, repair of tissues, and their medical applications such as injury and disease treatments.
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