Transport in plantsHard

Question

Stomata of a plant opn due to

Options

A.influx of hydrigen ions
B.influx of calcium ions
C.influx of potassium ions
D.efflux of potassium ions

Solution

Accumulation of K+ ions in the guard cells during the dy time is responsible for migration of water molecules from subsidiary cells to guad cells. This incereases turgidity of guard cells and thus stomata become open.

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