Plant Growth And Development Question 157

Question: Which of the following hormone is responsible for senescence [CBSE PMT 2001]

Options:

A) GA

B) ABA

C) Auxin

D) Cytokinin

Show Answer

Answer:

Correct Answer: B

Solution:

Abscisic acid stimulates senescence of leaves by causing destruction of chlorophyll and inhibition of protein and RNA synthesis.