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NEET Biology Photosynthesis in Higher Plants Question Bank Factors Affecting Photosynthesis

  • question_answer
    In which of the following the rate of photosynthesis is decreased and is known as red drop [MP PMT 1992]

    A) Blue light

    B) Green light

    C) Red light more than 680 nm

    D) Red light less than 680 nm

    Correct Answer: C

    Solution :

    R. Emerson and C.M. Lewis (1943) observed that the quantum yield of photosynthesis decreased towards the far red end of the spectrum (680nm or longer).


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