Apical dominance is not affected by

In most of the higher plants,the growing $A$ bud inhibits the growth of $B$ bud,a phenomenon called apical dominance. Removal of the shoot tips usually results in growth of $C$ buds.

The bioassay for auxin is:

The movement of auxin is largely

Leaf fall occurs when the abscission layer is formed due to a change in the content of:

Plants which are deficient in zinc will show reduction in the biosynthesis of