WB JEE Medical WB JEE Medical Solved Paper-2013

  • question_answer
    A good producer of citric acid is

    A)  Aspergillus      

    B)  Pseudomonas

    C)  Clostridium      

    D)  Saccharomyces

    Correct Answer: A

    Solution :

     A good producer of citric acid is Aspergillus niger (a fungus). Clostridium produces butyric acid, Saccharomyces cerevisiae is used for bread baking fermenting malted cereals and fruit juices to produce   ethanol.   Pseudomonas   (a bacterium) is used in vitamin-\[{{B}_{12}}\] production.


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