Botany - Plant Growth and Development Question with Solution | TestHub
BotanyPlant Growth and DevelopmentPlant Growth RegulatorsEasy2 minPYQ_2020
BotanyEasysingle choice
The hormone that induces apical dominance and the hormone that acts as an antagonist to this process is
Options:
Answer:
B
Solution:
In most higher plants, the growing apical bud inhibits growth of the lateral buds, a phenomenon called apical dominance and is induced by auxins like NAA, 2,4 D, IAA etc. Removal of shoot tips (decapitation) or addition of cytokinins like zeatin, kinetic etc., usually results in the growth of lateral buds. It is widely applied in tea plantation, hedge making. Cytokinin helps to overcome apical dominance.
Stream:NTA_ABHYAS_NEETSubject:BotanyTopic:Plant Growth and DevelopmentSubtopic:Plant Growth Regulators
⏱ 2mℹ️ Source: PYQ_2020
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