Infectious Diseases MCQs Multiple Choice Questions With Answers

1. The disorders which are caused by organisms are known as:
a. Contagious
b. Bacterial
c. Infectious
d. Viral
Answer: c. Infectious

2. How many types of infectious diseases are there?
a. One
b. Two
c. Three
d. Four
Answer: d. Four

3. Infectious diseases are caused by:
a. Fungi
b. Virus
c. Bacteria
d. All options are correct
Answer: d. All options are correct

4. Which of the following is the most common infectious disease in the world?
a. Malaria
b. Hepatitis B
c. Dengue
d. Tuberculosis
Answer: b. Hepatitis B

5. How many people are affected by hepatitis B annually?
a. 2 million
b. 4 million
c. 2 billion
d. 3 trillion
Answer: c. 2 billion

6. AIDS is diagnosed by which test?
a. ELISA test
b. Covid test
c. Widal test
d. Mantoux tuberculin test
Answer: a. ELISA test

7. AIDS is the late stage of?
a. Tuberculosis
b. Diabittis
c. HIV infection
d. Malarial infection
Answer: c. HIV infection

8. Which disease is caused by a virus?
a. Malaria
b. Whooping cough
c. Polio
d. Tania pedis
Answer: c. Polio

9. The other name for whooping cough is:
a. 100-day cough
b. Pertussis
c. Tuberculosis
d. Sneezia
Answer: b. Pertussis

10. Which of the following is the first antibiotic?
a. Tobramycin
b. Streptomycin
c. Neomycin
d. Penicillin
Answer: d. Penicillin

Recommended: Infectious Diseases Online Practice Test

11. The vaccine for the prevention of TB is
a. BCG
b. SinoVac
c. RTS
Answer: a. BCG

12. Human parasite, roundworm is found in?
a. Small intestine
b. Large intestine
c. Stomach
d. Kidney
Answer: b. Large intestine

13. Who discovered the cholera bacillus?
a. Konal rass
b. Joseph lister
c. Robert Koch
d. Louis Pasteur
Answer: c. Robert Koch

14. Which of the following is the first infectious disease?
a. Chicken pox
b. Measles
c. Smallpox
d. Malaria
Answer: c. Smallpox

15. When did infectious diseases start?
a. Neolithic period
b. Paleolithic period
c. Mesolithic period
d. All options
Answer: a. Neolithic period

16. Which of the following disease is caused by the bacterium Yersinia pestis?
a. Rubella
b. Bubonic Plague
c. Roseola
d. Measles
Answer: b. Bubonic Plague

17. All types of CJD (Creutzfeldt-Jakob disease) are transmitted by:
a. Consuming infected brain or nervous tissue
b. Consuming shrimp infected with E.coli
c. Human contact
d. All options are incorrect
Answer: a. Consuming infected brain or nervous tissue

18. The 1918 influenza pandemic was the most severe pandemic in history. It was caused by the:
a. H1N1 virus
b. SARS coronavirus 2
c. Influenza C virus
d. Prion
Answer: a. H1N1 virus

19. Which of the following is a bat-borne virus?
a. H1N1 virus
b. Nipah virus
c. Influenza C virus
d. Covid-19
Answer: b. Nipah virus

20. Ebola Virus Disease (EVD) spread from human to human by the:
a. By eating a shrimp
b. Spreads through air
c. Spreads through water
d. Direct contact with an infected animal
Answer: d. Direct contact with an infected animal

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