Which hormone causes stunted growth in Pea?

Gibberellic acid

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Auxin

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Cytokinin

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Ethylene

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Solution

The correct option is D Ethylene
Ethylene is a naturally occurring plant hormone that is synthesized in fruits, flowers, leaves, and even roots. It simulates transverse growth in plants but retards longitudinal growth resulting in a stunted effect. Thus the correct answer is option D.

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