Question

which factors cintrol the opening and closing of stomata

Answer 1

The factors affecting the opening and closing of stomata are :-

1. Light:- Light is a major factor which controls the opening and closing of guard cells of the stomata

2. Water content of the epidermal cells:- The increase in water content forces the guard cells to open and hence is a factor controlling opening and closing of stomata

3. Temperature:- Increase in temperature makes the stomata open.

4. Minerals :- Deficiency of certain minerals affects the rate of opening and closing of stomata.

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Answer 2

Open and close of stomata control by guard cell. In light, guard cell take up water from osmosis become turgit.

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