Question

explain how stomata helps in exchange of gases also give it's definition

Answer 1

It is a tiny opening or pore that is used for gas exchange. (defenition)


Air enters the plant through these openings. The carbon dioxide is used in photosynthesis. Some of the oxygen produced is used in respiration. Surplus oxygen exits through these same openings. Also, water vapor goes into the atmosphere through these pores in transpiration.