Question

What is a plant hormone? Name four plant hormones. State one function of each.

Answer 1

The chemicals that perform the function of control and coordination in plants are called plant hormones.
The four plant hormones and their functions are as follows:
1) Auxin: It promotes cell enlargement and cell differentiation in plants.
2) Gibberelins: It breaks the dormancy in seeds and buds.
3) Cytokinins: It promotes cell division in plants.
4) Abscisic acid: It promotes closing of stomata.