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Question

Photoperiodism is associated with the formation of

A
Chlorophyll
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B
Florigen
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C
Auxin
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D
Gibberellin
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Solution

The correct option is B Florigen
Photoperiodism is the phenomenon in which various physiological reactions like flowering response to the relative length of dark or light periods. Florigen is a flowering hormone that is responsible for triggering flowering in plants. During photoperiodism, florigen hormone is involved in flowering of short and long day plants.
Thus, the correct answer is option B.

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