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Opening and closing of stomata is due to...

Opening and closing of stomata is due to

A

hormonal change in guard cells

B

change in turgo pressure of guard cells

C

gaseous exchange

D

respiration

Text Solution

Verified by Experts

The correct Answer is:
B
When the guard cells become turgid, the stomata open. On the other hand, if the fuard cells loose water, these become flaccid, the inner walls sag and the pore closes.
Thus stomatal movement occurs due to changes in turgor pressure of guard cells.
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