Question

Mention five plant hormones with their function. [5 MARKS]

Answer 1

Each point: 1 Mark
1. Auxins - promotes cell growth and differentiation, especially on the tips of plants. It controls plants' response to light.
2. Cytokinin - promotes cell division and lateral growth in plants. It helps in the rapid division of seeds and fruits.
3. Gibberellins - helps in breaking dormancy in seeds and buds. It can be used in the production of seedless fruits.
4. Abscisic acid - promotes dormancy in seeds and buds. It promotes wilting and falling of leaves.
5. Ethylene - promotes fruit ripening.