Q.

Which hormone promotes rapid internode/petiole elongation in deep water rice plant?

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a

Abscisic acid

b

Auxin

c

Ethylene

d

Cytokinin

answer is C.

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Detailed Solution

Ethylene promotes rapid internode/petiole elongation in deep water rice plants. It helps leaves/ upper parts of the shoot to remain above water.

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Which hormone promotes rapid internode/petiole elongation in deep water rice plant?