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

2 / 30

Which pathway of complement activation requires antibodies?

3 / 30

Phagocytosis is carried out primarily by:

4 / 30

Which of the following immunoglobulins can cross the placenta?

5 / 30

What is the function of the J chain in immunoglobulins?

6 / 30

Which of the following diseases is an example of autoimmunity?

7 / 30

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

8 / 30

Which of these cells produces antibodies?

9 / 30

Which is a feature of a secondary immune response?

10 / 30

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

11 / 30

Which immunoglobulin appears first during a primary immune response?

12 / 30

Which antibody is most abundant in human serum?

13 / 30

The process of central tolerance occurs in the:

14 / 30

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

15 / 30

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

16 / 30

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

17 / 30

The complement system enhances immunity by:

18 / 30

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

19 / 30

What is the primary function of the immune system?

20 / 30

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

21 / 30

Histamine release is most closely associated with which immune response?

22 / 30

The term "opsonization" refers to:

23 / 30

MHC class I molecules present antigens to:

24 / 30

Which organ is responsible for the maturation of T lymphocytes?

25 / 30

Which immunoglobulin is primarily involved in mucosal immunity?

26 / 30

Which cytokine is primarily responsible for fever?

27 / 30

Clonal selection refers to:

28 / 30

Which type of hypersensitivity is antibody-mediated cytotoxic?

29 / 30

Which of the following best describes antigenic drift?

30 / 30

What type of immunity is acquired through vaccination?

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