What does the growth response light result from

Question

a
Conversion of mechanical energy into radiant energy
b
Action of contractile fibers
c
Conversion of light energy into heat energy
d
Action of plant hormones

Answer 1

The growth response of plants to light is primarily the result of d) Action of plant hormones.

Plants exhibit phototropism, where they grow towards light, and this response is mediated by plant hormones such as auxins, which regulate cell elongation and growth in response to light direction.