Question

What causes the opening and closing of guard cells of stomata during  transpiration?​

Answer 1

Answer:

When water gets in the guard cell it swells and then stomata pores open and water goes out of the guard cell then the stomata pores close.

Explanation:

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Answer 2

Answer:

exchanging of gases and to removing of excessive water causes the opening and closing of guard cells of stomata during transpiration.

Explanation:

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