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VMMC VMMC Medical Solved Paper-2003

  • question_answer
                                    Which of the following is not photoautotroph?

    A)  Purple sulphur bacteria

    B)  Purple non-sulphur bacteria

    C)  Green sulphur bacteria

    D)  Cyanobacteria

    Correct Answer: B

    Solution :

    Purple non-sulphur bacteria is not photoautotroph while green sulphur bacteria (e.g., Chlorobium, Chloropscudomonas, etc.); purple sulphur bacteria (e.g., Chromatium) and cyanobacteria are photoautotrophs.


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