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Solutions 8. Cell - Structure and functions - Additional Questions With Solutions | Class 8 Science - Toppers Study

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Solutions 8. Cell - Structure and functions - Additional Questions With Solutions | Class 8 Science - Toppers Study

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Chapter 8 Science class 8

Additional Questions With Solutions class 8 Science Chapter 8. Cell - Structure and functions

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Solutions 8. Cell - Structure And Functions - Additional Questions With Solutions | Class 8 Science - Toppers Study
Class 8 Ncert Solutions
Solution Chapter 8. Cell - Structure And Functions Class 8
Solutions Class 8
Chapter 8. Cell - Structure And Functions Additional Questions With Solutions Class 8

8. Cell - Structure and functions

| Additional Questions With Solutions |

Solutions 8. Cell - Structure and functions - Additional Questions With Solutions | Class 8 Science - Toppers Study

Additional Question With Solutions

Ques: What are chromosomes?

Ans: The nucleus contains thread-like structures called chromosomes.

Ques:What are genes?

Ans: Genes control the transfer of hereditary characteristic from parent to offspring; it is carried by the chromosomes.

Ques:What is protoplasm?

Ans: The all entire contents of a living cell is known as protoplasm.

Ques:When can the chromosomes be seen?

Ans: Chromosomes can be seen only when the cell divides.

Ques:Which component of a cell is called the living substances of the cell?

Ans:Protoplasm.

Ques:What is chloroplast? Write its functions.

Ans: Green colour plastid is called chloroplast.

Functions of chloroplast:

(i) It provides green colour to the leaves.

(ii) It is essential for photosynthesis.

Ques:Name the components or organelles of cytoplasm in an animal cell.

Ans: The components or organelles of cytoplasm in an animal cell.

(i) Mitochondria

(ii) Golgi body

(iii) Vacuole

(iv) Ribosome

(v)Lisosome

Ques: Explain why chloroplasts are found only in plant cell?

Ans: The plants make their food themselves by the process of photosynthesis. Photosynthesis needs chlorophyll, which is called chloroplast. It also provides the green pigment to the plants’ leaves. So it is very important for the plants.

Ques:Cells are the basic structural units of living organism; explain.

Ans: Bricks are assembled to make a building. Similarly, cells are assembled to make the body of every organism. The brick is unit part of the building. Thus, cells make tissue; tissues make organs; and various organs make together the body. So we can say cells are the basic structural units of living organism

Other Pages of this Chapter: 8. Cell - Structure and functions

1. Chapter 8. Cell - Structure and functions | Chapter Review

2. Chapter 8. Cell - Structure and functions | Text Book Exercise

3. Chapter 8. Cell - Structure and functions | Text Book Exercise

4. Chapter 8. Cell - Structure and functions | Additional Questions With Solutions

5. Chapter 8. Cell - Structure and functions | Additional Questions With Solutions

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