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  5. Why do we fall Ill?

9th Class Science Why do we fall Ill?

  • question_answer 21)
      Which one of the following disease is caused by protozoans? (a) Malaria                        (b) Influenza                        (c) AIDS                                (d) Cholera

    Answer:

      (a) Malaria is caused by a protozoan Plasmodium. Influenza is caused by RNA virus, AIDS is caused by HIV and cholera is caused by bacterium Vibrio cholerae.


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