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Which of the following facilitates opening of stomatal aperture?
Option: 1
Contraction of outer wall of guard cells
Option: 2
Decrease in turgidity of guard cells
Option: 3
Radial orientation of cellulose microfibrils in the cell wall of guard cells
Option: 4
Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells.
Answers (1)
- The opening of the stoma is also aided due to the orientation of the microfibrils in the cell walls of the guard cells.
- Cellulose microfibrils are oriented radially rather than longitudinally making it easier for the stoma to open.
The opening of the stoma is also aided due to the orientation of the microfibrils in the cell walls of the guard cells. Cellulose microfibrils are oriented radially rather than longitudinally making it easier for the stoma to open. Hence, the correct answer is option c.
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