Question

define=auxins' gibberlins' cytokiniins' abscisic acid in plants

Answer 1

Auxin:- It promotes elongation and division of cell and root formation.
Gibberellin:- They help in growth of stem.
Cytokinin:- They promotes cell division and delay leaf ageing.
Abscisic Acid:- It prevents wilting of leaves.

Answer 2

Auxin help the plant to move towards the sunlight . Cytokinins it is used for the cell division.absicisic acid it is used to germinate seed when they get proper conditions