Botany - Plant Growth and Development Question with Solution | TestHub

BotanyPlant Growth and DevelopmentPlant Growth RegulatorsEasy2 minPYQ_2020
BotanyEasysingle choice

In humans, the activation of sympathetic nervous system stimulates the adrenal medulla to release certain hormones that help in flight and fight response. A similar type of response in plants can be given by

Options:

Answer:
C
Solution:

Abscisic acid (ABA) is an inhibitory plant hormone also known as 'dormin' hormone as it promotes seed dormancy and inhibits growth. ABA is a stress hormone as it helps the plant survive different kinds of environmental stresses. It also stimulates the closure of stomata. It acts as the antagonist of the gibberellic acid.

Stream:NTA_ABHYAS_NEETSubject:BotanyTopic:Plant Growth and DevelopmentSubtopic:Plant Growth Regulators
⏱ 2mℹ️ Source: PYQ_2020

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