Question

The disease that spreads by the bite of female Anopheles mosquito is:

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

Answer 1

The correct option is B

Malaria

The correct option is B.
Explanation of the correct option:

1. Malaria is caused by a protozoan parasite.
2. It spreads by the bite of the female Anopheles mosquito which carries the malarial parasite in its salivary glands.
3. When the mosquito bites a healthy person, the malarial parasites get transferred to the blood of a healthy person and cause malaria.
4. Symptoms include high fever with chills and sweating, weakness, etc.

Explanation of the incorrect option:
Option A:
The causative pathogen of typhoid fever is a bacterium called Salmonella typhi.

Option C:
Dengue is a communicable disease caused by the bite of a female Aedes mosquito carrying the dengue virus.
Option D:
Tuberculosis is a serious respiratory disorder caused by the bacterium Mycobacterium tuberculosis.

Final answer: The disease that spreads by the bite of a female Anopheles mosquito is malaria.