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

Which technique separates proteins by size?

2 / 30

Which of the following bacteria is acid-fast?

3 / 30

What is the main component of bacterial cell walls?

4 / 30

Viroids differ from viruses in that they lack:

5 / 30

Which enzyme is responsible for relaxing supercoiled DNA during replication?

6 / 30

What is the function of the sigma factor in bacteria?

7 / 30

Which bacteria lack a cell wall?

8 / 30

What is the generation time?

9 / 30

Which structure protects bacteria from phagocytosis?

10 / 30

Koch’s postulates are used to:

11 / 30

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

12 / 30

Taq polymerase is used in:

13 / 30

Which of the following is a dimorphic fungus?

14 / 30

Reverse transcriptase is found in:

15 / 30

Endotoxins are found in:

16 / 30

The first vaccine was developed against which disease?

17 / 30

Which organelle is absent in prokaryotic cells?

18 / 30

Which medium is selective for Gram-negative bacteria?

19 / 30

A bacteriophage is:

20 / 30

Who is considered the father of microbiology?

21 / 30

Gram-positive bacteria stain:

22 / 30

Autotrophic bacteria produce energy through:

23 / 30

Which process involves the transfer of naked DNA between bacteria?

24 / 30

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

25 / 30

Which of the following is a facultative anaerobe?

26 / 30

Which structure is responsible for bacterial motility?

27 / 30

Which of the following is NOT a prokaryote?

28 / 30

What kind of immunity is passed from mother to baby?

29 / 30

CRISPR in bacteria serves as a:

30 / 30

Which is the most common bacterial shape?

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