Question

2. Define cell?
3. What is the difference between diffusion and osmosis? 4. Why plasma membrane is called as selectively permeable membrane?
5. Define Cristae?
6. State any two function of Golgi body?
7. Name various type of plastids present in a plant cell?
8. State the main functions of Iysosome?
9. Which cell organcells in known as powerhouse of cell and why?
10. What is the function of SER?
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Answer 1

Answer:

1- it is the basic fundamental and functional unit of life

2-Diffusion :- the process in which the movement of particles from higher to lower concentration

Osmosis:- the process in which the movement of particles generally of (water molecules) from a region of higher to lower concentration

3-because it allows only selected things to move out & in of the cell

4- these are the vilia like structure present at various places in the cell like in mitochondria for increase for production of ATP molecule

5-(i)to modify the things transported from ER

(ii) develops membrane for lysosomes

6- (i) Chromoplast - chloroplast - chlorophyll

Xanthophyll and Caternoid

(ii) Leucoplast - for storage of different material in plant cell

7- To kill the invader by releasing digestive juices on it ( hydrolytic enzymes)

8- Mitochondria is known because it develops ATP molecules for the activities of the cell

9- To produce lipids which could a help in the formation of Plasma membrane

Explanation: