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The opening and closing of the stomatal pore depends upon
(A) oxygen
(B) temperature
(C) water in guard cells
(D) concentration of CO 2 in stomata
Answer
Stomata are pore-like structures present on the surface of leaves which help in the exchange of gases and transpiration.
- The opening or closing of stomata depends on the water in guard cells.
- When there is water inside the guard cells, they become swollen and the stomata is open.
- When the guard cells lose water, they become shrunken the stomata closes
So, the correct answer is (c)
