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Which of the following facilitates openi...

Which of the following facilitates opening of stomatal aperture ?

A

Decrease in turgidity of guard cells.

B

Radial orientation of cellulose microfibrils in the cell wall of guard cells.

C

Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells.

D

Contraction of outer wall of guard cells.

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The correct Answer is:
B
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