Which one of the following diseases is not caused by bacteria?
(a) Typhoid
(b) Anthrax
(c) Tuberculosis
(d) Malaria
Answer: The correct option is (d) Malaria
Solution: The bacteria Salmonella typhi causes Typhoid.
The bacteria Bacillus anthracis causes anthrax.
The bacterium Mycobacterium tuberculosis causes tuberculosis.
Malaria is caused by the protozoan microbes called Plasmodium vivax and transmitted by female Anopheles Mosquitoes.
Hence, D is the correct answer.