Botany - Plant Growth and Development Question with Solution | TestHub

BotanyPlant Growth and DevelopmentPlant Growth RegulatorsEasy2 minPYQ_2020
BotanyEasysingle choice

Match the following:

 Column I Column II
1IAA(i)Herring sperm DNA
2ABA(ii)Bolting
3Ethylene(iii)Stomatal closure
4GA(iv)Weed–free lawns
5Cytokinin(v)Ripening of fruits

Options:

Answer:
A
Solution:

Synthetic auxin2, 4 Dis used as a weedicide and is used to remove dicot weed from monocot field.ABA commonly called as stress hormone causes closure of stomata. Ethylene is only gaseous hormone and it causes ripening of fruits.GA causes rapid intermodal elongation in genetically dwarf plants or rosette plants, the phenomenon is known as bolting. Cytokinin was first isolated by autoclaving herring fish sperm DNA.

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

Doubts & Discussion

Loading discussions...