Question

class 9 biology chapter 5 extra question


The fundamental unit of life - Cell ​

Answer 1

Explanation:

Different types of cells have different function and each cell organelle performs a special function. These organelles collectively constitute the basic unit of life known as cell. All cells are found to have the same organelles, irrespective of their different functions and the organism they found in.

Answer 2

Answer:

1. Define membrane biogenesis.

2. What are the types of plastids. explain their functions.

2. state cell theory

3. define unicellular and multicellular organisms and give two examples

4. what is division of labour

5. differentiate between diffusion and osmosis

6. what will happen to a cell when it is kept in hypotonic, isotonic and hypertonic solution

7. explain the process of plasmolysis

8. differentiate between plasma membrane and cell wall

9. what are the types of ER explain their functions

10. describe the structure of Golgi apparatus and its functions

11. explain structure of nucleus with the diagram

12. what are chromosomes made up of

13. what will happen to a plasmolysed cell when kept in hypotonic solution

14. what will happen to a boiled plant cell when kept in hypertonic solution

15. explain endocytosis.