Immunology Quiz: Test Your Knowledge

Immunology Quiz

Challenge your understanding of immunology with our carefully curated quiz covering foundational to advanced concepts. This interactive set of multiple-choice questions (MCQs) includes topics like innate and adaptive immunity, antibodies, antigen presentation, hypersensitivity reactions, and immune disorders. Perfect for students, competitive exam aspirants, and microbiology enthusiasts looking to revise or reinforce their knowledge. Start learning smarter with instant feedback and explanations on LearnMicrobiology.com!

1 / 30

Which is a feature of a secondary immune response?

2 / 30

Which immunoglobulin is primarily involved in mucosal immunity?

3 / 30

What is the function of the J chain in immunoglobulins?

4 / 30

Which of the following best describes antigenic drift?

5 / 30

The term "opsonization" refers to:

6 / 30

Histamine release is most closely associated with which immune response?

7 / 30

Which antibody is most abundant in human serum?

8 / 30

What type of immunity is acquired through vaccination?

9 / 30

Which immunoglobulin appears first during a primary immune response?

10 / 30

What is the primary function of the immune system?

11 / 30

Which transcription factor is activated by NF-κB in immune signaling?

12 / 30

Which of the following diseases is an example of autoimmunity?

13 / 30

Which of the following is a component of the innate immune system?

14 / 30

Which molecule is crucial for T-cell activation along with the TCR–MHC interaction?

15 / 30

Which of the following is NOT an antigen-presenting cell?

16 / 30

Which of the following immunoglobulins can cross the placenta?

17 / 30

Which cytokine is primarily responsible for fever?

18 / 30

Which organ is responsible for the maturation of T lymphocytes?

19 / 30

Clonal selection refers to:

20 / 30

Which type of hypersensitivity is antibody-mediated cytotoxic?

21 / 30

Phagocytosis is carried out primarily by:

22 / 30

Which of these cells produces antibodies?

23 / 30

The process of central tolerance occurs in the:

24 / 30

Which cell surface marker is found on all helper T cells?

25 / 30

Which is a function of Regulatory T cells (Tregs)?

26 / 30

Which interleukin is known as the "T cell growth factor"?

27 / 30

Toll-like receptors (TLRs) are part of which immune system?Adaptive

28 / 30

Which pathway of complement activation requires antibodies?

29 / 30

The complement system enhances immunity by:

30 / 30

MHC class I molecules present antigens to:

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