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Question

What determines the flowering of a plant?

A
The amount of light
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B
The amount of uninterrupted darkness
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C
Photons activating Photosystems I and II
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D
Water and warmth
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Solution

The correct option is A The amount of light

Plant in order to flower require a particular day length or light period called photoperiod and response of the plants to photoperiod in terms of flowering is called photoperiodism. Photoperiodism is the response to duration and timing of light and dark periods.


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