Which of the following facilitates opening of stomatal aperture? – McqOptions

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1.	Which of the following facilitates opening of stomatal aperture?
A.	Contraction of outer wall of guard cells
B.	Decrease in turgidity of guard cells
C.	Radial orientation of cellulose microfibrils in the cell wall of guard cells
D.	Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells
Answer» D. Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells

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