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EAMCET Medical EAMCET Medical Solved Paper-2003

  • question_answer
    A bacterium which is capable of utilizing the most abundantly available gas in the atmosphere for one of its metabolic pathways, but cannot utilize the second most abundantly  available  for its  another metabolic pathway is :

    A)  Azotobacter                                     

    B)  Clostridium

    C)  Rhodomicrobiwn           

    D)  Xanthomonas

    Correct Answer: B

    Solution :

                     Atmosphere contains\[{{N}_{2}}=78%\](most abundant available gas)\[{{O}_{2}}=21%\](second most abundant gas) Clostridium is an anaerobic bacterium it does not require 0^ for respiration but it can fix atmospheric nitrogen (most available atmospheric gas).


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