Question

State the main function of guard cells.

Answer 1

Stomata

1. Stomata is a small pore, tiny openings found on the epidermis of leaves and are located on the lower surface of leaves typically.
2. Guard cells are cells surrounding each stoma
3. The main function of guard cells is opening and closing of the space in between the guard cells which is known as stomata.
4. The process of transpiration and photosynthesis involves exchange of gases which takes place through this stomata.