Question
Biology Question on human health and disease
Which plant hormone help in active absorption of water?
A
(A) Auxin
B
(B) GA
C
(C) Cytokinin
D
(D) ABA
Answer
(A) Auxin
Explanation
Solution
Explanation:
Auxin is synthesized at the shoot and root tips and is responsible for tropic growth in plants. This hormone controls phototropism as well as geotropism. Auxin enters the root cells and makes them more elastic. As a result the absorption of water by root increases.Hence, the correct option is (A).