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Question
Which one of the following pair of plant hormones inhibit flowering in some plants?
Options
Auxin and Ethylene
Cytokinin and Ethylene
Ethylene and abscissic acid
Gibberellin and abscissic acid
MCQ
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Solution
Ethylene and abscissic acid
Explanation:
Ethylene inhibits flowering in most of the plants except pineapple.
Abscissic acid inhibits flowering in long day plants but stimulates flowering in short day plants.
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