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J & K CET Medical J & K - CET Medical Solved Paper-2000

  • question_answer
    An organism which could readily respire in absence of molecular oxygen could be a:

    A)  fish                                       

    B)  mushroom

    C)  Anabaena                         

    D)  saccharomyces

    Correct Answer: D

    Solution :

                     When yeast (Saccharomyces) is growing in a well aerated nutrient medium the sugar is completely oxidised in normal respiration. In absence or poor supply of oxygen the most portion of sugar is converted into carbon dioxide and ethyl alcohol within the cytoplasm.


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