Question

Name various naturally occurring phytohormone.

Answer 1

Plant hormones:

1. The intrinsic factors that regulate the growth and development of plants are termed plant growth regulators or phytohormones.
2. Plant hormones are chemical compounds present in very low concentrations in plants.
3. They are natural derivatives of indole(auxins), terpenes(gibberellins), adenine(cytokinins), carotenoids(abscisic acid), and gases(ethylene).