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 shape of cocci bacteria is
A) Spiral
B) Spherical
C) Filamentous
D) Rod-shaped
✅ Correct Answer: B
Explanation: Cocci bacteria are spherical in shape and may occur in clusters or chains.
Q: Transmission of malaria occurs through the bite of
A) Tsetse fly
B) Female Anopheles mosquito
C) Housefly
D) Sandfly
✅ Correct Answer: B
Explanation: The female Anopheles mosquito transmits Plasmodium parasites that cause malaria.
Q: The structure responsible for bacterial motility is the
A) Ribosome
B) Flagella
C) Pili
D) Capsule
✅ Correct Answer: B
Explanation: Flagella are long, whip-like appendages that enable bacterial movement.
Q: Endospores are produced by bacteria for
A) Reproduction
B) Protein synthesis
C) Energy storage
D) Survival under adverse conditions
✅ Correct Answer: D
Explanation: Endospores allow bacteria to survive extreme environmental conditions.
Q: A virus with RNA as genetic material and reverse transcriptase is called
A) Retrovirus
B) Bacteriophage
C) Togavirus
D) Reovirus
✅ Correct Answer: A
Explanation: Retroviruses use reverse transcriptase to convert their RNA genome into DNA in the host cell.