Question

What are stomata? for class 7​

Answer 1

Explanation:

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Answer 2

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.