NEET2019Botany-Plant Physiology
NEET 2019 Botany Water Relations MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following:
A
Shrinkage of air spaces in spongy mesophyll
B
Tyloses in vessels
C
Closure of stomata
D
Flexibility of bulliform cells
Correct Answer
Option D
Detailed Explanation
Bulliform cells in grass leaves lose turgor during dry conditions, causing the leaves to curl inwards to reduce water loss.
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