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Leaves of many grasses are capable of fo...

Leaves of many grasses are capable of folding and unfolding because they

A

are very thin

B

are isobilateral

C

have specialised bulliform cells

D

have parallel vascular bundles

Text Solution

Verified by Experts

The correct Answer is:
C
Leaves of monocuts are chaiacterised as isobilateral (equally green on both the surtaces), amphistomatic (stomata on both surface), dumb bell-shaped guard cells
The upper epidermis possesses groups of larger sized thin walled vacuolate cells called bulliform or motor cells. Bulliform cells help in rolling of leaves during water stress or drought.
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