Question

what are phytohormones ? give two types of phytohormones and state their function.

Answer 1

phytohormones are the plants hormons help for the control and coordination of plants.
ex.auxin{it help plant for the growth of stem towards sunlight}
cytokinin(it is use to enhance the width of of plant)

Answer 2

The plant growth is controlled by certain chemical substances called the plant hormones. These are also known as the growth factors, growth substances, plant growth regulators (PGR) or phytohormones. These can either promote or inhibit the growth of the plant.


On the basis of the function there are five types of plant hormones:
1. Auxin
2. Gibberellin
3. Cytokinin
4. Ethylene
5. Abscisic acid (ABA)