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    Question

    Photosynthetically Active Radiation (PAR) is the portion of the light spectrum accessible for photosynthesis in green plants. What is the range of spectrum of light in terms of PAR?

    A 200 – 400 nm Correct Answer Incorrect Answer
    B 400 – 700 nm Correct Answer Incorrect Answer
    C 750 – 900 nm Correct Answer Incorrect Answer
    D 800 – 1000 nm Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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