Question

1.  Explain the process of osmosis and give an example. (2 marks)

2.  What are the functions of plastids? (3)

3.  Explain the difference between Prokaryotic cell and Eukaryotic cell (4 marks)

4.  What are genes? What is the difference between genes and chromosomes? (3 marks)

5.  Why are lysosomes called suicidal bags? (2 marks)

6.  Draw a neat diagram of a plant cell. (4 marks)

7.  Write a short note on Plasma Membrane. (3 marks)

8.  Why is the inner membrane of Mitochondria folded? (2 marks)

9.  Name the smallest and the longest cell in human body. (2 marks)

10.  Define nucleoids. (1 mark)
      
      
    
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Answer 1

osmosis it is the movement of substance from higher concentration to lower concentration through semipermeable membrane

plastid

Answer 2

Answer:

• Osmosis is the diffusion of water where molecules of water move passively (without energy) from high concentration to low concentration. A good example would be the way water rushes into a sponge, when a dry sponge is placed in a pan of water.

Explanation:

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