NEET-XII-Biology
P1 year:2019
- #93Grass leaves curl inwards during very dry
weather. Select the most appropriate reason
from the following
(1) Closure of stomata
(2) Flaccidity of bulliform cells
(3) Shrinkage of air spaces in spongy
mesophyll
(4) Tyloses in vesselsdigAnsr: 2Ans : ( 2 )
Sol. Bulliform cells become flaccid due to water
loss. This will make the leaves to curl inward
to minimise water loss