The following is a naturally occuring growth inhibitors ............

IAA

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ABA

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NAA

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Solution

The correct option is B ABA
IAA, NAA - are several forms of auxin hormone which promotes plant growth. At the same time, GA is gibberellic acid which initiates shoot elongation. ABA is abscissic acid which is an inhibiting hormone which causes dormancy and also inhibits the longitudinal growth of plant.

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