Transport in plantsHard

Question

Stomata in angiosperms open and close due to

Options

A.their genetic constitution
B.effect of hormones
C.change of turgor pressure in guard cells
D.pressure of gases inside the leaves

Solution

The tugor pressure of guard cell increases duc to osmotic diffusion of water from the surrounding epidermal and mesophyll cells. Thus, the guard cells swell and stomata open.

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