Botany - Plant Growth and Development Question with Solution | TestHub

BotanyPlant Growth and DevelopmentPlant Growth RegulatorsEasy2 minPYQ_2020
BotanyEasysingle choice

Match the phytohormones given in column I with their functions given in column II. Choose the answer with the correct combination of the alphabets of the two-column.

 Column –I (Phytohormones) Column – II (Function)
AAuxins(p)Elongation of genetic dwarf plants
BGibberellins(q)Inducing fruit ripening
CCytokinins(r)Formation of the abscission layer
DEthylene(s)Root initiation on cutting the stem
  (t)Richmond lang effect

Options:

Answer:
D
Solution:

Auxin promotes rooting in stem cutting. Gibberellins causes elongation of stem in genetically dwarf plants, it causes rapid internodal elongation known as bolting. Cytokinins delays the process of senescence known as Richmond - Lang effect. Ethylene is fruit ripening hormone.

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

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