. Which one of the following diseases is not caused by bacteria

A: Typhoid

B: Anthrax

C: Tuberculosis

D: Malaria


Best Answer


  • Out of four options given above, malaria is a protozoan disease while typhoid, anthrax and tuberculosis are bacterial diseases. 
  • Malaria is caused by the protozoa Plasmodium. There are two species of Plasmodium ( Plasmodium falciparum and Plasmodium vivax) that are dangerous. So, it is the correct option.
  • Anthrax, typhoid and tuberculosis are bacterial diseases caused by B. anthracis, S. typhi and M. tuberculosis respectively. So, these are not correct options.

Final Answer:

Hence, the correct answer is (D) Malaria.


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