Question
Biology Question on Transport in Plants
When does a plant wilt?
A
When phloem is blocked
B
When xylem is blocked
C
Pith is removed
D
A few leaves are removed
Answer
When xylem is blocked
Explanation
Solution
Wilting is the loss of turgidity of leaves and other soft aerial parts of a plant causing their drooping, folding and rolling. It is caused by blocking of xylem.