Botany - Plant Growth and Development Question with Solution | TestHub
BotanyPlant Growth and DevelopmentPlant Growth RegulatorsHard2 minPYQ_2019
BotanyHardsingle choice
Assertion : Gibberellic acid increases length of grape stalks. Reason : Ethophon hastens fruit ripening in tomato and apple.
Options:
Answer:
B
Solution:
Gibberellin increases the number and size of several fruits, e.g., grape, tomato. The hormone creates more room by increasing the size of stalks so that the fruit can grow in size. Ethophon is 2-chloroethyl phosphonic acid. In aqueous solution, ethophon slowly releases ethylene and is transported to various parts. It aids in fruit ripening in some fleshy fruits like banana, tomato, apple, mango, etc.
Stream:AIIMSSubject:BotanyTopic:Plant Growth and DevelopmentSubtopic:Plant Growth Regulators
⏱ 2mℹ️ Source: PYQ_2019
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