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: The bacterial capsule provides
A) Energy
B) Motility
C) Nutrients
D) Immune evasion
✅ Correct Answer: D
Explanation: Capsules prevent phagocytosis, aiding bacterial survival in host tissues.
Q: Mycology refers to the study of
A) Protozoa
B) Fungi
C) Bacteria
D) Algae
✅ Correct Answer: B
Explanation: Mycology is the branch of microbiology dealing with the study of fungi.
Q: Obligate anaerobes cannot survive in the presence of
A) Heat
B) Light
C) Oxygen
D) Salt
✅ Correct Answer: C
Explanation: Oxygen is toxic to obligate anaerobes due to the lack of protective enzymes.
Q: Gram-negative bacteria have a
A) No cell wall
B) Flagellated body
C) Lipid-rich outer membrane
D) Thick peptidoglycan wall
✅ Correct Answer: C
Explanation: Gram-negative bacteria have a thin peptidoglycan layer and an outer membrane rich in lipopolysaccharides.