Question

State two function of stomata how do guard cell regulate the opening and closing of stmata

Answer 1

Functions of stomata:-
1) it helps in transpiration
2) it helps in exchange of gases

The guard cell regulate the opening and closing of stomata by swelling and shrinking
When the guard cell swell they stretch and the stomata pore opens, while closing it the guard cells shrink.

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Answer 2

Answer:

Stomatal pores in plants regulate the amount of water and solutes within them by opening and closing theirguard cells using osmotic pressure. In order for plants to produce energy and maintain cellular function, their cellsundergo the highly intricate process of photosynthesis. Critical in this process is the stoma.