Botany - Plant Growth and Development Question with Solution | TestHub
BotanyPlant Growth and DevelopmentPlant Growth RegulatorsHard2 minPYQ_2015
BotanyHardsingle choice
Assertion : A correct concentration of auxin and cytokinin is required for the development of root and shoot in a callus. Reason : When the ratio of kinetin to auxin is high, then only shoots develop. But when the ratio is low then only roots develop.
Options:
Answer:
A
Solution:
The relative ratio of cytokinin (kinetin) to auxin (IAA) is very important in determining the nature of organogenesis in tissue culture. High level of kinetin results in bud initiation, while high concentration of auxin favours rooting.
Stream:AIIMSSubject:BotanyTopic:Plant Growth and DevelopmentSubtopic:Plant Growth Regulators
⏱ 2mℹ️ Source: PYQ_2015
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