NEET Biology Photosynthesis in Higher Plants Question Bank Experiments

  • question_answer
    The oxygen produced during photosynthesis comes from photolysis of water was first time proved by [MP PMT 1984, 88, 95]

    A) Ruben and Kamen

    B) Robert Mayer

    C) Malvin Calvin

    D) Blackman

    Correct Answer: A

    Solution :

    Photolysis is occur in persence of light quanta and requires \[M{{n}^{++}}\] and \[C{{l}^{-}}\]ions as catalyst for water oxidising. \[4{{H}_{2}}O\xrightarrow{M{{n}^{++}}C{{l}^{-}}}4{{(OH)}^{-}}+4{{H}^{+}}\] Then H radicle formes water and \[{{O}_{2}}\] as a by-product \[4OH\xrightarrow{{}}2{{H}_{2}}O+{{O}_{2}}\uparrow \]


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