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

Histamine release is most closely associated with which immune response?

2 / 30

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

3 / 30

MHC class I molecules present antigens to:

4 / 30

Which pathway of complement activation requires antibodies?

5 / 30

What is the function of the J chain in immunoglobulins?

6 / 30

Which type of hypersensitivity is antibody-mediated cytotoxic?

7 / 30

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

8 / 30

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

9 / 30

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

10 / 30

Which of the following immunoglobulins can cross the placenta?

11 / 30

What is the primary function of the immune system?

12 / 30

Which cytokine is primarily responsible for fever?

13 / 30

The process of central tolerance occurs in the:

14 / 30

Phagocytosis is carried out primarily by:

15 / 30

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

16 / 30

The complement system enhances immunity by:

17 / 30

Which organ is responsible for the maturation of T lymphocytes?

18 / 30

Which immunoglobulin is primarily involved in mucosal immunity?

19 / 30

The term "opsonization" refers to:

20 / 30

Which is a feature of a secondary immune response?

21 / 30

Which of the following best describes antigenic drift?

22 / 30

Which antibody is most abundant in human serum?

23 / 30

Which immunoglobulin appears first during a primary immune response?

24 / 30

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

25 / 30

What type of immunity is acquired through vaccination?

26 / 30

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

27 / 30

Which of these cells produces antibodies?

28 / 30

Clonal selection refers to:

29 / 30

Which of the following diseases is an example of autoimmunity?

30 / 30

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

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