Question

Which part of the leaves regulates opening and closing of stomata ?

a. Chlorophyll
b. Subsidiary cells
c. Guard cells
d. None of these​

Answer 1

guard cells

The opening and closing of stomata is controlled by the guard cells. When water flows into the guard cells, they swell up and the curved surface causes the stomata to open. When the guard cells loses water, they shrink and become flacid and straight thus closing the stomata.

If you satisfy on my answer please mark it BRAINLIEST ✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️✏️

Answer 2

Answer:

Guard cells

Thanks Hope it will help you