Which of the following is NOT a disease caused by bacteria?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Malaria.
Malaria is not caused by bacteria. It is caused by a protozoan parasite called Plasmodium, which is transmitted to humans through the bite of an infected female Anopheles mosquito. In contrast, dysentery, diphtheria, and plague are all caused by different types of bacteria.