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    Question

    What is the critical time period for the day light in

    long day plants?
    A 8-10 Hr Correct Answer Incorrect Answer
    B 10-12 Hr Correct Answer Incorrect Answer
    C 14-18 Hr Correct Answer Incorrect Answer
    D 20-24 Hr Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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