The most common auxin is

The pineapple, which under natural conditions is difficult to blossom, has been made to produce fruits throughout the year by the application of:

Which of the following accelerates apical meristem and exerts direct effect on the growth of plant axis in length?

Select an appropriate plant hormone responsible for apical dominance from the following.

Give scientific reasons: Indole-$3$-acetic acid $(IAA)$ is not the only naturally occurring auxin.

Which hormone is responsible for apical dominance?