What are plant hormones? Name the plant hormones responsible for the following:
`{:("(i) Growth of stem " ," (ii) Promotion of cell division"),("(iii) Inhibition of growth"," (iv) Elongation of cells"):}`

Explanation

The chemical compounds or organic molecules produced in the plant cells that regulate
various physiological functions like growth, development and responses to the environment
are called plant hormones.
`{:("(i) Growth of stem- Gibberellins " ," (ii) Promotion of cell division- Cytokinins"),("(iii) Inhibition of growth- Abscisic acid"," (iv) Elongation of cells- Auxins"):}`