The common biosynthetic inhibitor of gibberellic acid is

Rosacic acid

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CCC

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Citric acid

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Lactic acid

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Solution

The correct option is B CCC
GA production in Fusarium moniliforme (Gibberella fujikuroi) is supressed by adding the plant growth retardant CCC {(2-chloroethyl)trimethylammoniumchloride} to culture the medium. A concentration of 0.1mg/l of CCC causes 50% inhibition, whereas, 10mg/l and higher concentrations fully suppress GA production.

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