State the functions of plant hormones ? Name four different types of plant

hormones.

Cytokinins

They promote cell division. Therefore, they are present in greater concentration in those areas of the plants where rapid cell division occurs. For example, tip of the shoot.

Ethylene

It regulates fruit ripening. It is produced during the ripening of fruits.

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AUXIN : Help in the growth of root shoot tips.

GIBBERELLINS : Help in vegtative growth

CYTOKININS : Promte cell division

ABSCISSIC ACID : Inhibit growth cause wilting (falling) of leaves

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plant harmones helps in coordinating growth and development in plants, and there by showing response to the environment.

the four types of plant harmones are auxin, gibberlin, cytokinin, abcisic acid.

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