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 stain most suitable for visualizing bacterial capsules is
A) Acid-fast stain
B) Endospore stain
C) Gram stain
D) Negative stain
Q: Virulence factors in bacteria include
A) Mitochondria
B) Adhesins and toxins
C) Ribosomes
D) Peptidoglycan
Q: The portal of entry for most respiratory infections is the
A) Bloodstream
B) Gastrointestinal tract
C) Mucous membranes
D) Skin
Q: The primary immune cells involved in phagocytosis are
A) Basophils
B) Neutrophils and macrophages
C) Platelets
D) Erythrocytes
Q: Gram-positive cocci arranged in chains are characteristic of
A) Staphylococcus
B) Escherichia
C) Streptococcus
D) Neisseria