Microbiology MCQs

Microbiology MCQs cover bacteriology, virology, mycology, parasitology, and immunology, testing pathogen identification, microbial physiology, and infection control. Ideal for MDCAT, FCPS, NTS, and USMLE preparation, these quizzes boost academic knowledge, clinical skills, and exam success.

Q: Fever, rash, and Koplik spots are characteristic of
A) Chickenpox
B) Measles
C) Influenza
D) Rubella
โœ… Correct Answer: B
Explanation: Measles presents with Koplik spots in the mouth, followed by a widespread rash and high fever.
Q: Bacteriophages are viruses that infect
A) Fungi
B) Protozoa
C) Bacteria
D) Animals
โœ… Correct Answer: C
Explanation: Bacteriophages are specialized viruses that infect and replicate within bacterial cells.
Q: Disinfectants are primarily used on
A) Inanimate surfaces
B) Internal organs
C) Human tissues
D) Living cells
โœ… Correct Answer: A
Explanation: Disinfectants destroy microorganisms on non-living objects and surfaces to prevent infection.
Q: The mode of transmission for Entamoeba histolytica is through
A) Skin penetration
B) Airborne droplets
C) Insect vectors
D) Contaminated food or water
โœ… Correct Answer: D
Explanation: Entamoeba histolytica is spread via ingestion of cysts in contaminated food or water.
Q: A helminthic infection caused by ingestion of undercooked pork is
A) Ascariasis
B) Trichinellosis
C) Schistosomiasis
D) Filariasis
โœ… Correct Answer: B
Explanation: Trichinella spiralis causes trichinellosis, often acquired from eating raw or undercooked pork.