NEET Biology Photosynthesis in Higher Plants Question Bank Light Reaction Pigments

  • question_answer
    \[{{O}_{2}}\]evolution is directly associated with  [DPMT 2003; BVP 2004]

    A) PS I

    B) PS II

    C) Phytochrome

    D) Phycocyanin

    Correct Answer: B

    Solution :

    The photosystem-II (Reaction centre of P-680) extracts an\[{{e}^{-}}\]from water returning to its unexcited state. The removal of four e- from two molecules of water requires 4 quanta of light to fall on PS-II and leads to the production of\[4{{H}^{+}}\]ions and one molecules of \[{{O}_{2}}\].


You need to login to perform this action.
You will be redirected in 3 sec spinner