Question

Describe the mechanism of opening and closing of stomata?​

Answer 1

Answer:

the mechanism of opening and closing of stomata is regulated by gaurd cells

Explanation:

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Answer 2

Mechanism of opening and

closing of stomata

=> The cause of opening and closing of the stomata is a change in the turbidity of the guard cells. When the guard cells become turgid it leads to opening of stomata and when guard cells become flaccid it leads to closing of stomata.

=> When the osmotic concentration of guard cell high than guard cell becomes turgid by absorption of water through process of endosmosis from near by cells that is subsidiary cells of stomata.

=> When osmotic concentration of guard cell decreases then guard cells become flaccid. Due to flaccidity guard cells, inner thick wall of both guard cells become fused and stomata closes and the process repeats again and again.