Question

Explain with example the movement of plants towards light. which hormone is responsible for this process

Answer 1

Hello!

Plant hormone auxin is diffused in the shady part of plant. Auxin promotes stem growth. 
This makes the plant to grow more in region of shade and hence bend towards sunlight.

Have a nice day!

Answer 2

Plants have developed a number of strategies to capture the maximum amount of sunlight through their leaves. As we know from looking at plants on a windowsill, they grow toward the sunlight to be able to generate energy by photosynthesis. Now scientists have provided definitive insights into the driving force behind this movement -- the plant hormone auxin.