First slide

Anatomy of Dicotyledonous and Monocotyledonous Plants

Question

Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following.

Easy

A

Tyloses in vessels
B

Closure of stomata
C

Flaccidity of bulliform cells
D

Shrinkage of air spaces in spongy mesophyll

Solution

When there is water stress, the bulliform cells become flaccid and this make the leaves curl inwards to prevent water loss.

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