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

Influx of `K^(+)` ions into gurad cells under influence of ABA hormone

B

Conversion of suger into starch in guard cells

C

Efflux of `K^(+)`ions from guard cells under the influence of ABA hormone

D

Photosynthetic utilisation of `CO_(2) in guard cells.

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The correct Answer is:

D

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