The term hormone was coined by . . . . . . .

Classical experiments on growth were performed by

Substances which originate at the tip of stem and root and control the growth of different organs are

Plant growth regulators $(PGR)$ or plant hormones are generally

Phytohormones are:

In animals,there are special glands secreting hormones,whereas there are no glands in plants. Where are plant hormones formed? How are the hormones translocated to the site of activity?