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Question

Photoperiodism is associated with which one of the following?

A
Cytokinins
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B
Auxins
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C
Gibberellins
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D
Florigens
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Solution

The correct option is D Florigens
The term "photoperiodism" was coined to describe a plant's ability to flower in response to changes in the photoperiod i.e the relative lengths of day and night. Florigens are hormones associated with flowering in plants.

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