Class 11 Biology Plant Physiology Plant Growth and Development



Flowering of Chrysanthemum is inhibited by
(a)
IAA
(b)
(c)
Cytokinin
(d)
Ethylene
Correct answer: (a) 
Solution: Chrysanthemum is a flowering plants. It requires long day or cold condition to flower. IAA (indoleacetic acid) is a type of auxin, a plant hormone. It is used to inhibit flowering in many plants including Chrysanthemum.
Thus, the correct answer is 'IAA'.

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Similar topics
plant growth and development
transport in plants
respiration in plants
mineral nutrition
morphology of flowering plants
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Connecting you to a tutor in 60 seconds.
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play store logo
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plant growth and development
transport in plants
respiration in plants
mineral nutrition
morphology of flowering plants