- 1(current)
Q. No.Which of the following facilitates opening of stomatal aperture?
| 1. | Decrease in turgidity of guard cells |
| 2. | Radial orientation of cellulose microfibrils in the cell wall of guard cells |
| 3. | Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells |
| 4. | Contraction of outer wall of guard cells |
Subtopic: Â Stomata |
 75%
From NCERT
NEET - 2017
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Opening and closing of stomata are due to the:
1. Hormonal change in guard cells
2. Change in Turgor pressure of guard cells
3. Gaseous exchange
4. Respiration
Subtopic: Â Stomata |
 91%
From NCERT
AIPMT - 2002
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- 1(current)
Q. No.
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