Medical Microbiology Quiz

Medical Microbiology Quiz is designed to test and enhance your understanding of microbes that cause human disease. Covering topics like bacterial pathogens, viral infections, diagnostic techniques, antimicrobial resistance, and host immune responses, this quiz is ideal for medical, nursing, and life science students preparing for exams or clinical practice.

Each question is crafted to reflect real-world medical relevance, helping you link microbiological concepts with disease mechanisms, diagnosis, and treatment.

Strengthen your clinical microbiology foundation — one question at a time.

1 / 30

What is the main virulence factor of Streptococcus pneumoniae?

2 / 30

Which of the following organisms is catalase-positive?

3 / 30

What type of virus is Hepatitis B?

4 / 30

Which fungus causes meningitis in AIDS patients?

5 / 30

Which medium is used for culturing Mycobacterium tuberculosis?

6 / 30

Which organism is associated with peptic ulcers?

7 / 30

Which virus causes infectious mononucleosis?

8 / 30

Which test is used to detect latent tuberculosis infection?

9 / 30

Which of the following bacteria is Gram-positive?

10 / 30

What is the purpose of ELISA in microbiology?

11 / 30

Which of the following organisms causes malaria?

12 / 30

What causes antibiotic-associated colitis?

13 / 30

Which of the following causes gas gangrene?

14 / 30

Which organism causes rice-water stools?

15 / 30

What is the major component of bacterial endotoxin?

16 / 30

Which microorganism is the most common cause of urinary tract infections (UTIs)?

17 / 30

Which of the following is an opportunistic fungal pathogen?

18 / 30

Which bacterial infection is diagnosed by the Widal test?

19 / 30

Which stain is used to identify Mycobacterium tuberculosis?

20 / 30

What is the mode of transmission of Leptospira interrogans?

21 / 30

Which antibody appears first during an acute infection?

22 / 30

Which viral infection can lead to cervical cancer?

23 / 30

What test is used for diagnosis of Streptococcus pyogenes throat infections?

24 / 30

What causes pseudomembranous inflammation in diphtheria?

25 / 30

Which bacterial structure is responsible for antibiotic resistance transmission?

26 / 30

Which test differentiates Staphylococcus aureus from Staphylococcus epidermidis?

27 / 30

What is the causative agent of Q fever?

28 / 30

Which is the most common method for sterilizing surgical instruments?

29 / 30

Which of these is a nosocomial infection?

30 / 30

Which helminth causes perianal itching?

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