Question

functions of Gibberellin and Cytokinins (more than 3 points ) ??

Answer 1

Functions of Gibberellin
1. Parthenocarpy: Gibberellins have been found to be effective in inducing pathenocarpy in tomatoes, apple etc.
2. Breaking of dormancy: These can effectively break the dormacy of potato tuber, winter buds and seeds of many trees.
3. Increase in fruit size: These increases the number and fruit size of grapes.
4. Production of male flowers: These induces production of male flowers on genetically female plants.

Functions of Cytokinis
1. Cell division: These are found in a higher amount where rapid division is going on.
2. It promotes phloem transport. 
3. It also promotes accumulation of salts in the cells.
4. It promotes production of female flowers.
5. It increases the resistance to low and high temperature and diseases.

Answer 2

Gibberellin breaks the dormancy of seed in plants. Cytokinin delays the senesence in plants, helps in the cytokinesis process and stimulates the growth of lateral bud