NEET Biology NEET PYQ-Photosynthesis and Translocation of Organic Solute

  • question_answer
    In light reaction, plastoquinone facilitates the transfer of electrons from [NEET 2020]

    A) \[Cyt{{b}_{6}}f\]complex to PS-I

    B) PS-I to \[NAD{{P}^{+}}\]

    C) PS-I to ATP synthase

    D) PS-II to Cytb6f complex

    Correct Answer: D

    Solution :

    [D] After excitement, \[{{e}^{}}\] is passed from PS-II \[({{P}_{680}})\] to primary electron acceptor (Pheophytin). From primary \[{{e}^{}}\] acceptor, \[{{e}^{}}\] is passed to plastoquinone. Plastoquinone (PQ) in turn transfer its \[{{e}^{}}\] to Cyt \[{{b}_{6}}f\]complex. Therefore plastoquinone facilitates the transfer of electrons from PS-II to \[Cyt\text{ }{{b}_{6}}f\]complex.


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