First slide

Plant Growth Regulators

Question

Rapid internode/ petiole elongation in deep water rice plants is possible because of:

Easy

A

Auxins
B

Ethylene
C

Gibberellins
D

Cytokinins

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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