Microbiology MCQs
Microbiology MCQs challenge students to identify pathogens, understand microbial physiology, and master infection control protocols. These questions span bacteriology, virology, mycology, parasitology, and immunology. Suitable for exams like MDCAT, FCPS, NTS, and USMLE, these quizzes improve both academic knowledge and clinical readiness.
Q: Fever, rash, and Koplik spots are characteristic of
A) Chickenpox
B) Measles
C) Influenza
D) Rubella
Q: Bacteriophages are viruses that infect
A) Fungi
B) Protozoa
C) Bacteria
D) Animals
Q: Disinfectants are primarily used on
A) Inanimate surfaces
B) Internal organs
C) Human tissues
D) Living cells
Q: The mode of transmission for Entamoeba histolytica is through
A) Skin penetration
B) Airborne droplets
C) Insect vectors
D) Contaminated food or water
Q: A helminthic infection caused by ingestion of undercooked pork is
A) Ascariasis
B) Trichinellosis
C) Schistosomiasis
D) Filariasis
Q: The test used to differentiate lactose-fermenting from non-lactose fermenting bacteria is
A) MacConkey agar
B) Blood agar
C) Chocolate agar
D) Mannitol salt agar
Q: The toxin responsible for diphtheria is produced by
A) Streptococcus pneumoniae
B) Haemophilus influenzae
C) Corynebacterium diphtheriae
D) Neisseria meningitidis
Q: The major difference between prokaryotes and eukaryotes is the absence of
A) Nucleus
B) DNA
C) Cell wall
D) Ribosomes
Q: The common cold is most often caused by
A) Coronavirus
B) Influenza virus
C) Rhinovirus
D) Adenovirus
Q: A positive India ink preparation suggests the presence of
A) Cryptococcus neoformans
B) Aspergillus fumigatus
C) Candida albicans
D) Histoplasma capsulatum