Question
Biology Question on Anatomy of Flowering Plants
Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following:
A
Shrinkage ofair spaces in spongy mesophy
B
Tyloses in vessels
C
Closure of stomata
D
Flaccidity of bulliform cells
Answer
Flaccidity of bulliform cells
Explanation
Solution
Bulliform cells become flaccid due to water loss. This will make the leaves to curl inward to minimise water loss