Question

Closing of stomata is due to

Answer 1

clossing of stomata is due to the functioning of guard cells .

Answer 2

$\huge\underline\green{\sf Closing\:Of\:Stomata :-}$

As the stomata open the solute concentration is reduced. This makes the water from the guard cells to move away into neighbouring cells. Now, guard cells become flaccid with no water. They collapse against each other and result in the closing of stomata.