Question

why does a shoot bend towards light explain

Answer 1

✌️✌️ hey mate,

Auxin, is a plant growth hormone that helps regulate shoot growth.

But when sunlight varies, auxin is broken down on the sunnier side of the stem.

The higher concentration of auxin on the shady side causes the plant cells on that side to grow more so it bends toward the light.

thanks...
nice to help you ✌️✌️

Answer 2

Shoot bends towards light because of the growth hormone auxin. This response of shoot towards light is called phototropism.
This happens as follows:
Auxins are photophobic in nature. In the presence of light, They response by growing in the opposite side of the light I. E in the shady part of the shoot. As a result shoot part opposite to the light grow more and this causes its bending towards light.