Question

How stomata open and close ?​

Answer 1

The opening and closing of the pore is a function of the guard cells. The guard cells swell when water flows into them, causing the stomatal pore to open. Simillarly the pore closes if the guard cells shrink

Answer 2

the opening and closing if stomata is due to guard cells .

when the water comes near the stomata it opens itself and when water is absorbed it closes .

hope it helps you❤❤