AMU Medical AMU Solved Paper-2014

  • question_answer
    In purple and green bacteria, oxygen is not evolved  during  photosynthesis  because  hydrogen donor is

    A)  \[{{H}_{2}}O\]                 

    B)  \[{{H}_{2}}S\]

    C)  \[N{{H}_{3}}\]                 

    D)  \[C{{H}_{4}}\]

    Correct Answer: B

    Solution :

                    In purple and green bacteria, is \[{{H}_{2}}S\] the hydrogen donor unlike green plants in which to\[{{O}_{2}}\]. In case of \[{{H}_{2}}S\], the oxidation product is sulphur or sulphate depending on the organism,


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