Question

What is Photoperiod?

Answer 1

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Photoperiodism is the physiological reaction of organisms to the length of day or night. It occurs in plants and animals. Photoperiodism can also be defined as the developmental responses of plants to the relative lengths of light and dark periods. 


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Answer 2

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Photoperiod is the period of direct exposure to sunlight by a plant. It is response of an organism to change in day length i.e.photoperiod are related to the duration of sunlight. Growth of plant &flowering are dependent on sunlight