Desert grasses often roll their leaves due to presence of
A
Oily surface
✓
Bulliform cells
C
Spines
D
None of these
✓
Answer
Correct option: B.
Bulliform cells
b Desert grasses often roll their leaves due to presence of bulliform cells. These are big-sized, thin-walled and large vacuolated cells frequently occur towards the lower epidermis.
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