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Which of the following is a gaseous hormone?(a) Ethylene(b) ABA(c) GA(d) AuxinThis question was posed to me by my college professor while I was bunking the class.This intriguing question originated from Growth Regulators in Plants in section Plant Growth and Development of Biology – Class 11

Answer»

Correct OPTION is (a) ETHYLENE

The best explanation: Ethylene is a volatile gaseous hormone. GA, ABA and Auxin are acidic in nature. GA and Auxin are GROWTH PROMOTERS while ABA is a growth inhibitor.



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