AIPMT PRELIMS2002Botany-Plant Physiology
AIPMT PRELIMS 2002 Botany Stomatal Movement MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Opening and closing of stomata is due to the:
A
Hormonal change in guard cells
B
Change in Turgor pressure of guard cells
C
Gaseous exchange
D
Respiration
Correct Answer
Option B
Detailed Explanation
The opening and closing of stomata are controlled by changes in turgor pressure within the guard cells.
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