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NEET Biology NEET PYQ-Photosynthesis and Translocation of Organic Solute

  • question_answer
    Proteinaceous pigment which controls the activities concerned with light is: [AIPMT 2001]

    A) phytochrome

    B) chlorophyll

    C) anthocyanin

    D) carotcnoids

    Correct Answer: A

    Solution :

    [A] Phytochromes are plant chromatophores, containing protein pigment existing in two inter-convertible forms-Pr (absorbs red light, 660 nm) and Pfr (absorbs far red light-730 nm). It controls flowering, seed dormancy etc.


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