NEET Sample Paper NEET Sample Test Paper-84

  • question_answer
    Vaccine against polio viruses is an example of

    A) auto-immunization         

    B) passive immunization

    C) active immunization.

    D) simple immunization

    Correct Answer: C

    Solution :

    [c] When a host is exposed to antigens, which may be in the form of living or dead microbes or other proteins, antibodies are produced in the host body. This type of immunity is called active immunity. Infecting the microbes deliberately during immunization/vaccination induces active immunity e.g., polio vaccine.


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