Basic Microbiology Quiz

Basic Microbiology Quiz is designed to help students and science enthusiasts reinforce their understanding of core microbiology concepts. Covering topics like microbial classification, cell structure, staining techniques, microscopy, and early discoveries, this quiz is perfect for beginners and those preparing for exams or interviews. Each question tests your grasp of fundamental principles that form the backbone of microbiology.

Whether you're a high school student, undergraduate, or just curious about microbes, this quiz will sharpen your knowledge and boost your confidence.

1 / 30

Autotrophic bacteria produce energy through:

2 / 30

Which of the following is a facultative anaerobe?

3 / 30

Which is the most common bacterial shape?

4 / 30

Which of the following is used to sterilize heat-sensitive materials?

5 / 30

What kind of immunity is passed from mother to baby?

6 / 30

Which structure protects bacteria from phagocytosis?

7 / 30

Which enzyme is responsible for relaxing supercoiled DNA during replication?

8 / 30

A bacteriophage is:

9 / 30

Who is considered the father of microbiology?

10 / 30

Gram-positive bacteria stain:

11 / 30

Which of the following is used in the diagnosis of HIV?

12 / 30

Which medium is selective for Gram-negative bacteria?

13 / 30

Which structure is responsible for bacterial motility?

14 / 30

Reverse transcriptase is found in:

15 / 30

Viroids differ from viruses in that they lack:

16 / 30

Which of the following is NOT a prokaryote?

17 / 30

CRISPR in bacteria serves as a:

18 / 30

Which organelle is absent in prokaryotic cells?

19 / 30

Which of the following is a dimorphic fungus?

20 / 30

Which technique separates proteins by size?

21 / 30

Which bacteria lack a cell wall?

22 / 30

Which of the following bacteria is acid-fast?

23 / 30

Taq polymerase is used in:

24 / 30

What is the generation time?

25 / 30

What is the main component of bacterial cell walls?

26 / 30

The first vaccine was developed against which disease?

27 / 30

Which process involves the transfer of naked DNA between bacteria?

28 / 30

What is the function of the sigma factor in bacteria?

29 / 30

Endotoxins are found in:

30 / 30

Koch’s postulates are used to:

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