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In guard cells when sugar is converted i...

In guard cells when sugar is converted into starch, the stomatal pore

A

opens fully

B

soens partially

C

closes completely

D

remains unchanged

Text Solution

Verified by Experts

The correct Answer is:
C

According to starch-sugar interconversion theory, during night the glucose 1-phosphate (sugar) converts into starch in guard cells and thus increasing the osmotic potential. The guard cells release water, become flaccid and stomata closes.
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