What is grand period of growth?

Which tissue is formed by process of dedifferentiation?

The example of environmental plasticity heterophylly observed is ………

Synthesis of IAA takes place from amino acid ………

Find the odd one out.

The selective herbicide is ……

This hormone promotes rooting in artificial method of cutting ……

Chemically the peculiar structure of gibberellins is …… ring.

First natural cytokinin was obtained from ……… by Letham.

A low ratio of cytokinin to auxin induces ……… in plants.