Question

ii) State two functions of stomata
ii) How do guard cells regulate the opening and closing of stomatal pore?
Q8: i) Leaves of a healthy potted plant were coated with Vaseline to block the stomata Will this plantas
healthy for long time? State three reasons for your answer.


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Answer 1

Answer:

1. gaseous exchange and transpiration.

2. guard cells regulate the opening and closing of stomata by losing water

Ans8. this plant will not be healthy for a long time because:

1. stomata will not be able to do gaseous exchange.

2. stomata will not be able to perform transpiration.

3. in order to block stomata the chlorophyll will get blocked due to which it will not be able to trap sunlight for photosynthesis.

hope it helps...