Major Diseases (Viral, Bacterial, Genetic) MCQs

1. Which of the following diseases is caused by a virus?
(A) Tuberculosis
(B) Malaria
(C) Influenza
(D) Typhoid

2. Tuberculosis is caused by:
(A) A virus
(B) A protozoan
(C) A fungus
(D) A bacterium

3. HIV primarily attacks which type of cells in the human body?
(A) Red blood cells
(B) Platelets
(C) White blood cells
(D) Liver cells

4. Which of the following is a genetic disorder?
(A) Diabetes
(B) Sickle cell anemia
(C) Tuberculosis
(D) Hepatitis B

5. The bacterium Salmonella typhi causes:
(A) Cholera
(B) Typhoid fever
(C) Mumps
(D) Measles

6. Down syndrome is caused by:
(A) A viral infection
(B) Chromosomal abnormality
(C) A bacterial infection
(D) Poor nutrition

7. Which of the following diseases is not caused by a virus?
(A) Rabies
(B) Measles
(C) Cholera
(D) Polio

8. The genetic disease in which blood does not clot properly is:
(A) Hemophilia
(B) Leukemia
(C) Anemia
(D) Jaundice

9. Malaria is caused by:
(A) A virus
(B) A bacterium
(C) A protozoan
(D) A fungus

10. Which of the following is an airborne viral disease?
(A) Tuberculosis
(B) Hepatitis B
(C) Measles
(D) Typhoid