what is stomata? (for class 9)
Answers
Answer:
In botany, a stoma, also called a stomate is a pore, found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange. The pore is bordered by a pair of specialized parenchyma cells known as guard cells that are responsible for regulating the size of the stomatal opening.
Tiny opening on the surface of leaves is called Stomata
Explanation:
All plants have stomata for the exchange of gases. They are the tiny opening present on the surface of leaves. Stomata cannot be seen through naked eye. It can be seen under a microscope. Stomata plays a crucial role during the process of photosynthesis. Stomata consist of thousands of tiny pores like structure called stoma enclosed by a pair of guard cells. Stomata, open and close according to the turgidity of guard cells. Stomata helps in controlling amount of water. The average count of stomata is about 300 per square mm of the leaf surface.