Question

state the role performed by plant hormones​

Answer 1

Plant hormones control and co-ordinate the growth and different movements in a plant like hormones and nervous system in humans do. Different hormones perform different functions and cause different type of movements like auxins gibberellins cytokinins helps in growth and abscisic acid and ethylene acts as a growth inhibitor.

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Answer 2

Auxins

        apical growth in root tips and other apical parts

Gibberellins

        Stem growth

Cytokinins

          Cell elongation and opening of stomata

Abscisic acid

           ageing of leaves and closing of stomata