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Question

The plant substances which become accumulated during adverse conditions are

A
Abscisic acid
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B
Phenolic inhibitors
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C
Auxins
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D
Cytokinins
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Solution

The correct option is B Phenolic inhibitors
Auxin and Cytokinins are the plant hormones which helps in stem elongation and cell division respectively. However when the plant are under stress from some external factors, they are protected by a compound which consist a aromatic benzene ring. These compound are Phenolic inhibitors in plants.
Thus, the correct answer is 'Phenolic inhibitors.'

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