Question

I. Very Short Answer Type Questions ;
1. Define osmosis.
2. Expand DNA and ATP.
3. Where do the ribosomes get synthesized and write one function performed by ribosomes ?
4. What is the most important characteristic of prokaryotic cells?
5. Which instrument is most commonly used to observe the cellular organisation of living organisms ?
2. Short Answer Type Questions ;
6. Give reasons :
(a) Mitochondria is known as 'Powerhouse of the cell'.
(b) Lysosomes are commonly termed as 'Suicidal bags'.
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7. Draw diagram of Plant cell and label the following parts:
(a) Nucleus.
(b) Vacuole.
(c) Cell wall.
8. (a) Who gave cell theory?
(b) Write main points of cell theory.
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Answer 1

Answer:

1 Osmosis is the process of diffusion of water

6 a because mitochondria contains ATP in it

b Lysosomes contains digestive enzymes . When the cell is damaged the Lysosomes's enzymes digest their own cell. That's why they are called suicide bags.

Explanation: