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  5. Microorganisms : Friend and Foe

8th Class Science Microorganisms : Friend and Foe Question Bank Microorganisms

  • question_answer
    Which of the following microorganisms causes common cold?

    A)  Bacteria                       

    B)        Virus               

    C)        Protozoa                      

    D)        Algae

    Correct Answer: B

    Solution :

    Viruses cause common cold.


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