Question

Name the plant hormones responsible for bending of stem towards light also name this phenomenon

Answer 1

The cells on the plant that are farthest from the light have a chemical called auxin that reacts when phototropism occurs. ... Roots usually exhibit negative phototropism, although gravitropism may play a larger role in root behavior and growth.

Answer 2

The hormone is Auxin,

And the phenomenon is Phototrophism.