Question

What is the role of auxin in tropic responses?

Answer 1

So, Auxin is a hormone of a plant. We know that it is produced in the stem. So, this is what causes phototropism. Hence, this also helps the plant maintain apical dominance.

I hope this helped :)

Answer 2

Auxin is a hormone of a plant. It is produced in the stem. This is what causes phototropism. This also helps the plant maintain apical dominance.