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 causes antibiotic-associated colitis?

2 / 30

What type of virus is Hepatitis B?

3 / 30

Which of the following organisms is catalase-positive?

4 / 30

What is the purpose of ELISA in microbiology?

5 / 30

Which stain is used to identify Mycobacterium tuberculosis?

6 / 30

Which helminth causes perianal itching?

7 / 30

Which of the following bacteria is Gram-positive?

8 / 30

Which medium is used for culturing Mycobacterium tuberculosis?

9 / 30

What is the causative agent of Q fever?

10 / 30

What is the major component of bacterial endotoxin?

11 / 30

Which of the following causes gas gangrene?

12 / 30

Which virus causes infectious mononucleosis?

13 / 30

What is the mode of transmission of Leptospira interrogans?

14 / 30

Which antibody appears first during an acute infection?

15 / 30

Which bacterial structure is responsible for antibiotic resistance transmission?

16 / 30

What causes pseudomembranous inflammation in diphtheria?

17 / 30

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

18 / 30

Which is the most common method for sterilizing surgical instruments?

19 / 30

What is the main virulence factor of Streptococcus pneumoniae?

20 / 30

Which test is used to detect latent tuberculosis infection?

21 / 30

Which of these is a nosocomial infection?

22 / 30

Which organism causes rice-water stools?

23 / 30

Which of the following is an opportunistic fungal pathogen?

24 / 30

Which bacterial infection is diagnosed by the Widal test?

25 / 30

Which viral infection can lead to cervical cancer?

26 / 30

Which of the following organisms causes malaria?

27 / 30

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

28 / 30

Which organism is associated with peptic ulcers?

29 / 30

Which fungus causes meningitis in AIDS patients?

30 / 30

Which test differentiates Staphylococcus aureus from Staphylococcus epidermidis?

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