DUMET Medical DUMET Medical Solved Paper-2005

  • question_answer
    In the process of photosynthesis :

    A)  \[{{O}_{2}}\] is taken and \[C{{O}_{2}}\] is evolved

    B)  \[{{O}_{2}}\] is taken but \[C{{O}_{2}}\] is not evolved

    C)  \[C{{O}_{2}}\] is taken and \[{{O}_{2}}\] is evolved

    D)  \[C{{O}_{2}}\] is taken and \[N{{O}_{2}}\] is evolved

    Correct Answer: C

    Solution :

    During light reaction of photosynthesis oxygen is evolved by photolysis of water while in dark reaction \[C{{O}_{2}}\] is fixed into carbohydrate through Calvin cycle. Aerobic respiration is an enzymatically controlled release of energy in a step wise catabolic process of complete oxidation of organic food into carbondioxide and water with use of oxygen.


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