NEET Biology question

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

(A)Tyloses in vessels
(B)Closure of stomata
(C)Flaccidity of bulliform cellsCorrect
(D)Shrinkage of air spaces in spongy mesophyll

Answer: (C)

Solution

In grasses, certain large, empty, colourless adaxial epidermal cells along the veins, called bulliform cells, absorb water and become turgid under normal conditions, keeping the leaf

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Question ID VK-105822