Multiple choice

Wilting of the plant occurs when

  1. xylem is blocked

  2. phloem is blocked

  3. both xylem and phloem are blocked

  4. a few roots are removed

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

 Xylem tissue is involved in water conducting system of plants; so if it is blocked, the plant will show wilting. The process of wilting modifies the leaf angle distribution of the plant (or canopy) towards more erectophile conditions.