Explore topic-wise MCQs in Microbiology.

This section includes 56 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.

51.

Which antibiotic has a beta-lactam ring?
A. Cephalosporin
B. Penicillin
C. Tetracycline
D. Streptomycin
Answer» C. Tetracycline
Discussion
52.

Vancomycin inhibits peptidoglycan synthesis by binding
A. D-alanyl - D-alanine
B. alanine racemase
C. D-alanyl - D-alanine synthetase
D. amidase
Answer» B. alanine racemase
Discussion
53.

Which of the following is a drug that interferes with the process of DNA production in the virus that causes genital herpes?
A. Erythromycin
B. Vancomycin
C. Amantadine
D. Acyclovir
Answer» E.
Discussion
54.

Bacterial cells susceptible to penicillium can be protected from destruction if the medium in which they are exposed is of
A. high osmotic pressure
B. low osmotic pressure
C. moderate osmotic pressure
D. high surface tension
Answer» B. low osmotic pressure
Discussion
55.

Which of the antibiotic is not used as a food preservative ?
A. Pimaricin
B. Nisin
C. Tylosin
D. -lactam antibiotic
Answer» E.
Discussion
56.

Which of the following is not an aminoglycoside antibiotic?
A. Streptomycin
B. Neomycin
C. Kanamycin
D. Cephalosporin
Answer» E.
Discussion