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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-27

  • question_answer
    Which micro-organism causes hepatitis B?

    A)  Virus   

    B)  Protozoa

    C)  Bacteria           

    D)  None of the above

    Correct Answer: A

    Solution :

    A serious liver infection is caused by the hepatitis B virus. It is easily preventable by a vaccine.


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