Question

what is the function of stomata

Answer 1

all the exchange of gas occurs in stomata
it is present in the lower epidermis or at lower side of leaf

Answer 2

We all know about process called photosynthesis in which plants convert sunlight into usable energy. During this process, carbon dioxide is taken in from the atmosphere through the stomata and oxygen is released as a waste product. In the Greek language "Stomata" means "mouth" . Basically Stomata are microscopic openings on the surfaces of plant leaves that allow easy transfer of water vapor, carbon dioxide and oxygen.