Question

explain the functions of

Auxins

Gibberellins

Cytokinin


Ethylene


Abscisic acid



Andwer should be in points at
least 6 or more



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Answer 1

The various functions performed by the plant hormones are:

Auxins - promote cell enlargement and cell differentiadon. They also promote growth.

Gibberellins - promote cell enlargement and cell differentiation in the presence of auxin. It also help in breaking the dormancy in seeds and buds. It promote the growth in fruits.

Cytokinins- promote cell division and help in breaking the dormancy of seeds and buds. It delay the ageing in leaves. It promotes the opening of stomata and also fruit growth.

Abscisic acid- promotes the dormancy in seeds and buds. It promotes the closing of stomata and falling of leaves. Inhibits growth, reverses the growth promoting effects of auxins and gibberellins. Its effects include wilting of leaves.

Ethylene - promotes the falling of leaves, ripening of fruits and helps in breaking bud dormancy.


i hope its hlp you

Answer 2

⑴ auxin is present in the meristem of a tree
⑵ gibberellins helps in the growth of stem
⑶ cytokinins promote cell division in plants
⑷ ethylene regulates growth of plant
⑸ absesic acid is an example of growth inhibiter
⑹ absesic acid helps in wilting of leaves