Question

Which among the following diseases is caused by a protozoan?

• A. Tuberculosis
• B. Typhoid
• C. Malaria
• D. Influenza

Hint:

Malaria → Protozoa (*Plasmodium*), TB → Bacteria (*Mycobacterium*), Typhoid → Bacteria (*Salmonella*), Influenza → Virus.

Answer 1

The Correct Option is C

Among the diseases listed, Malaria is caused by a protozoan. Malaria is a disease transmitted by the bite of infected Anopheles mosquitoes and is caused by protozoan parasites of the genus Plasmodium. These microscopic single-celled organisms infect and multiply within the host's liver and red blood cells, leading to symptoms such as fever, chills, and anemia.

The other diseases mentioned have different causative agents:

• Tuberculosis: Caused by the bacterium Mycobacterium tuberculosis.
• Typhoid: Caused by the bacterium Salmonella typhi.
• Influenza: Caused by the influenza viruses.