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Stomata open when guard cells:...

Stomata open when guard cells:

A

influx of hydrogen ions

B

influx of calcium ions

C

influx of potassium ions

D

efflux of potassium ions

Text Solution

Verified by Experts

The correct Answer is:
C
Accumuulation of `K^(+)` ions in the guard cells during the day time is responsible for migration of water molecules from subsidiary cells to guard cells. This increases turgidity of guard ceils and thus stomata open.
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