Question
Biology Question on Transport in Plants
Which of the following facilitates opening of stomatal aperture ?
A
Decrease in turgidity of guard cells
B
Radial orientation of cellulose microfibrils in the cell wall of guard cells
C
Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells
D
Contraction of outer wall of guard cells
Answer
Radial orientation of cellulose microfibrils in the cell wall of guard cells
Explanation
Solution
Cellulose microfibrils are oriented radially rather than longitudinally which makes easy for the stoma to
open.