According the Steward's starch hydrolysi...

According the Steward's starch hydrolysis theory, which one of the following is the principle reason for the opening of stomata during daytime

A

effux of `k^(+)` ions form guard cells under the influecne of aba hormone

B

photosynthetic utilization of `co_(2)` in guard cells

C

infux of `k^(+)` ins into guard cells under the influence of aba hormone

D

conversion of sugar in to starch in guard cells

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The correct Answer is:

b

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