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Which of the following facilitates opening of stomatal aperture?

  • Contraction of outer wall of guard cells

  • 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

Answer

C.

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