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 of the following is NOT a prokaryote?

2 / 30

Which of the following bacteria is acid-fast?

3 / 30

What is the main component of bacterial cell walls?

4 / 30

What is the generation time?

5 / 30

CRISPR in bacteria serves as a:

6 / 30

Which technique separates proteins by size?

7 / 30

What is the function of the sigma factor in bacteria?

8 / 30

A bacteriophage is:

9 / 30

Which structure is responsible for bacterial motility?

10 / 30

Gram-positive bacteria stain:

11 / 30

Koch’s postulates are used to:

12 / 30

Which of the following is a facultative anaerobe?

13 / 30

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

14 / 30

Autotrophic bacteria produce energy through:

15 / 30

Viroids differ from viruses in that they lack:

16 / 30

What kind of immunity is passed from mother to baby?

17 / 30

Who is considered the father of microbiology?

18 / 30

Which process involves the transfer of naked DNA between bacteria?

19 / 30

Endotoxins are found in:

20 / 30

Which structure protects bacteria from phagocytosis?

21 / 30

Which enzyme is responsible for relaxing supercoiled DNA during replication?

22 / 30

Which medium is selective for Gram-negative bacteria?

23 / 30

Which of the following is a dimorphic fungus?

24 / 30

Taq polymerase is used in:

25 / 30

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

26 / 30

Which organelle is absent in prokaryotic cells?

27 / 30

The first vaccine was developed against which disease?

28 / 30

Which bacteria lack a cell wall?

29 / 30

Which is the most common bacterial shape?

30 / 30

Reverse transcriptase is found in:

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