NEET 2017 Biology Paper

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Question : 22 of 90

Marks: +1, -0

Which of the following facilitates opening of stomatal aperture ?

[NEET 2017]

Decrease in turgidity of guard cells
Radial orientation of cellulose microfibrils in the cell wall of guard cells
Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells
Contraction of outer wall of guard cells

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