Punjab Medical Punjab - MET Solved Paper-2008

  • question_answer Bacterium which reduces nitrates in soil to nitrogen is

    A)  Nitro so monas               

    B)  Pseudomonas

    C)  Rhizobium         

    D)  Clostridium

    Correct Answer: B

    Solution :

    Formation of nitrogen from nitrate is known as denitrification. This process is carried out by some members of genera Pseudomonas. Denitrification results in the loss of soil nitrogen, thus, adversely affects soil fertility.

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