Question

stomata openong:guard cells::stomata close:?​

Answer 1

Answer:

Guard cells are cells surrounding each stoma. They help to regulate the rate of transpiration by opening and closing the stomata. ... In figure B, the guard cells have lost water, which causes the cells to become flaccid and the stomatal opening to close. This may occur when the plant has lost an excessive amount of water.

Answer 2

stomata opening:guard cells :: stomata close: guard cells

answer will be same guard cells. (hope it helps)