Question

Name the growth regulator which was isolated from corn-kernels. What is its main biological activity? 1T (DC 1​

Answer 1

Answer: Auxin 'b'

Explanation:  auxin is a hormone group  which are involved in growth factors, auxin the word derived from Greek word which means increase or grow. main functions are -

1. promote cell growth and elongation of the plant cell which turn into plant growth

2. also helps in cell regeneration .

3. auxin gives plant wall plasticity to make it easier for plant grow.

4. it also influences rooting formation.