Abscisic acid is involved in _____.

Inducing seed dormancy

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Inducing senescence of leaves

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Inhibiting plant metabolism

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All of these

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Solution

The correct option is D All of these
Abscisic acid (ABA) was discovered for its role in regulating abscission and dormancy. But like other PGRs, it also has other wide ranging effects on plant growth and development. It acts as a general plant growth inhibitor and an inhibitor of plant metabolism. ABA inhibits seed germination. It induces seed dormancy and senescence of leaves

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