Botany - Plant Growth and Development Question with Solution | TestHub

BotanyPlant Growth and DevelopmentPlant Growth RegulatorsEasy2 minPYQ_2020
BotanyEasysingle choice

How many of the following auxins are synthetic?

IAA; IBA; NAA; 2,4-D

Options:

Answer:
B
Solution:

Indole acetic acid (IAA) and Indole butyric acid are natural auxin synthesized in plants. Naphthalene acetic acid and 2,4 dichlorophenoxy acetic acid are synthetic auxin. Auxin is mainly synthesized at shoot apex as light is necessary for the synthesis of auxin.

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

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