A) Longitudinal orientation of cellulose micro fibrils in the cell wall of guard cells
B) Contraction of outer wall of guard cells
C) Decrease in turgidity of guard cells
D) Radial orientation of cellulose micro fibrils in the cell wall of guard cells
Correct Answer: D
Solution :
Cellulose micro fibrils are oriented radially rather than longitudinally which makes easy for the stoma to open.
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