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 process involves the transfer of naked DNA between bacteria?

2 / 30

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

3 / 30

What kind of immunity is passed from mother to baby?

4 / 30

Which technique separates proteins by size?

5 / 30

Which organelle is absent in prokaryotic cells?

6 / 30

Reverse transcriptase is found in:

7 / 30

Which of the following is a facultative anaerobe?

8 / 30

Endotoxins are found in:

9 / 30

What is the generation time?

10 / 30

Which is the most common bacterial shape?

11 / 30

Gram-positive bacteria stain:

12 / 30

Who is considered the father of microbiology?

13 / 30

What is the function of the sigma factor in bacteria?

14 / 30

Autotrophic bacteria produce energy through:

15 / 30

Which of the following bacteria is acid-fast?

16 / 30

Koch’s postulates are used to:

17 / 30

Which bacteria lack a cell wall?

18 / 30

CRISPR in bacteria serves as a:

19 / 30

Viroids differ from viruses in that they lack:

20 / 30

Which medium is selective for Gram-negative bacteria?

21 / 30

The first vaccine was developed against which disease?

22 / 30

A bacteriophage is:

23 / 30

Which structure protects bacteria from phagocytosis?

24 / 30

Taq polymerase is used in:

25 / 30

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

26 / 30

What is the main component of bacterial cell walls?

27 / 30

Which structure is responsible for bacterial motility?

28 / 30

Which enzyme is responsible for relaxing supercoiled DNA during replication?

29 / 30

Which of the following is NOT a prokaryote?

30 / 30

Which of the following is a dimorphic fungus?

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