Class 9 Science Case Study Questions Chapter 6 Tissues

Case study Questions in Class 9 Science Chapter 6 are very important to solve for your exam. Class 9 Science Chapter 6 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 6 Tissues

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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.

Tissues Case Study Questions With Answers

Here, we have provided case-based/passage-based questions for Class 9 Science Chapter 6 Tissues

Case Study/Passage-Based Questions

Case Study 1: Meristematic tissue takes up a specific role and loses the ability to divide. As a result, they form permanent tissue. This process of taking up a permanent shape, size, and function is called differentiation. Differentiation leads to the development of various types of permanent tissues.

Simple Permanent Tissue

Tissue is made of one type of cells, which look like each other. Such tissues are called simple permanent tissue. Parenchyma is the most common simple permanent tissue. It consists of relatively unspecialized cells with thin cell walls. They are living cells. They are usually loosely arranged, thus large spaces between cells (intercellular spaces) are found in this tissue. This tissue generally stores food. In some situations, it contains chlorophyll and performs photosynthesis, and then it is called chlorenchyma. In aquatic plants, large air cavities are present in parenchyma to help them float. Such a parenchyma type is called aerenchyma. Yet another type of permanent tissue is sclerenchyma. It is the tissue that makes the plant hard and stiff. We have seen the husk of a coconut. It is made of sclerenchymatous tissue. The cells of this tissue are dead. They are long and narrow as the walls are thickened due to lignin.

Simple Permanent Tissue

Complex tissues are made of more than one type of cell. All these cells coordinate to perform a common function. Xylem and phloem are examples of such complex tissues. They are both conducting tissues and constitute a vascular bundle. Xylem fibers are mainly supportive in function. Phloem transports food from leaves to other parts of the plant. Except for phloem fibers, other phloem cells are living cells.

(1) Tissue made of only one type of cell is termed as _________

(a) Simple permanent tissue

(b) Complex permanent tissue

(c) Simple Meristematic tissue

(d) Complex Meristematic tissue

Answer: (a) Simple permanent tissue


(2) Xylem and phloem are examples of

(a) Meristematic tissue

(b) Simple tissue

(c) Protective tissue

(d) Complex tissue

Answer: (d) Complex tissue


(3) In aquatic plants, which type of parenchyma tissue is found?

(a) Aerenchyma

(b) Chlorenchyma

(c) Sclerenchyma

(d) Parenchyma

Answer: (a) Aerenchyma


(4) What is mean by Differentiation?

Answer: Meristematic tissue lose the ability to divide. As a result, they form a permanent tissue. This process of taking up a permanent shape, size, and a function is termed as differentiation.


(5) Enlist the type of parenchyma tissue.

Answer: There are three type of parenchyma tissue Aerenchyma Chlorenchyma Sclerenchyma


Case Study 2: Bone is a solid, hard porous tissue. It forms the natural skeleton and gives the body its basic structure and also supports the body. Its matrix is impregnated with phosphates and carbonates of calcium and magnesium which provides hardness to it. The matrix also contains ossein protein. The matrix is arranged in concentric rings which are called lamellae. Bone cells lie between the lamellae in fluid-filled spaces called lacunae.

(i) Bone cells are also called :
(a) Lacunae
(b) Osteocytes
(c) Neutrophils
(d) Erythrocytes

Ans. (b) Osteocytes


(ii) The matrix inside the bone is arranged in concentric rings called ………
(a) Cytoplasm
(b) Osteocyte
(c) Lacunae
(d) Lamellae

Ans. (d) Lamellae


(iii) To form natural skeleton and to give support to the body is the main function of ……….
(a) Cells
(b) Muscles
(c) Bones
(d) Ligaments

Ans. (c) Bones


(iv) The matrix of bone is impregnated with…………
(a) Carbon dioxide and oxygen
(b) Carbon dioxide and water
(c) Sulphates of sodium
(d) Phosphates and carbonates of calcium and magnesium

Ans. (d) Phosphates and carbonates of calcium and magnesium


(v) Bone cells lie between the lamellae in fluid-filled spaces called ………….
(a) lamina
(b) osteocytes
(c) lacunae
(d) ossein

Ans. (d) ossein


Case Study 3:

Tissues are groups of cells that are similar in structure and function, working together to perform specific tasks in the body. There are four main types of tissues in animals: epithelial tissue, connective tissue, muscular tissue, and nervous tissue. Epithelial tissue covers the surfaces of the body, lines the internal organs, and forms glands. It provides protection, secretion, absorption, and excretion. Connective tissue provides support and connects different body parts. It includes bone, cartilage, blood, and adipose tissue. Muscular tissue is responsible for body movements and can be categorized into three types: skeletal, smooth, and cardiac muscle. Nervous tissue consists of specialized cells called neurons that transmit and process information in the form of electrical signals. Understanding the different types and functions of tissues is essential to comprehend the organization and functioning of complex multicellular organisms.

What are tissues?
a) Groups of organs in the body
b) Groups of cells with similar structure and function
c) Layers of skin
d) Different types of body systems
Answer: b) Groups of cells with similar structure and function


How many main types of tissues are there in animals?
a) Two
b) Three
c) Four
d) Five
Answer: c) Four


Which type of tissue covers the surfaces of the body and forms glands?
a) Epithelial tissue
b) Connective tissue
c) Muscular tissue
d) Nervous tissue
Answer: a) Epithelial tissue


What is the function of connective tissue?
a) Provides support and connects different body parts
b) Covers the surfaces of the body
c) Responsible for body movements
d) Transmits and processes information
Answer: a) Provides support and connects different body parts


What is the function of nervous tissue?
a) Provides protection, secretion, absorption, and excretion
b) Transmits and processes information in the form of electrical signals
c) Responsible for body movements
d) Supports and connects different body parts
Answer: b) Transmits and processes information in the form of electrical signals


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