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If a tree flowers thrice in a year in October, January and Jul
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If a tree flowers thrice in a year in October, January and July in northern India, the plant is

A
Photo- and thermo-sensitive

B
Photo- and thermo-insensitive

C
Photosensitive but thermo-insensitive

D
Thermosensitive but photo-insensitive

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Updated on: Oct 27, 2022

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If a tree flowers thrice in a year in October, January and July in northern India, the plant is
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Text SolutionText solutionverified iconVerified

Flowering in plant is dependent on two factors, photoperiodism and vernalization.  Vernalization is flowering of plants on exposure to prolonged period of low temperature. Photoperiodism is flowering in plants in response to change in day length. In the given example, flowering is taking place during any part of the year. Hence, the plant is not sensitive to light period. 
Thus, the correct answer is option D.
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Question Text
If a tree flowers thrice in a year in October, January and July in northern India, the plant is
Updated OnOct 27, 2022
TopicPlant Growth and Development
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 1
Upvotes229
Avg. Video Duration12 min