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    Question

    Response of different organisms to the environmental

    rhythms of light and darkness is called?
    A Topography Correct Answer Incorrect Answer
    B Phototaxis Correct Answer Incorrect Answer
    C Photoperiodism Correct Answer Incorrect Answer
    D Vernalization Correct Answer Incorrect Answer
    E None Correct Answer Incorrect Answer

    Solution

    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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