Multiple Choice Questions on Immunology - Adaptive Immunity

MCQ biology
1. The specific targeted responses constitute the third line of defence in response to an infectious agent and is called as 
a) third line of defence
b) adaptive immunity
c) acquired immunity
d) all of these
2. The characteristics of adaptive immunity include
a) specificity
b) immunologic memory
c) discrimination of self from non self molecules
d) all of these
3. Which of the cells are involved in adaptive immunity
a) B cells and T cells
b) B cells only
c) T cells only
d) macrophages and NK cells
4. T cell mediates
a) humoral immunity
b) non-specific defence
c) cell mediated immunity
d) none of these
5. The ratio of T cells to B cells is
a) 3:1
b) 1:3
c) 1:1
d) 1:2
6. The antibody mediated humoral immunity is mediated by
a) B cells and T cells
b) B cells
c) T cells
d) macrophages and NK cells
7. T cells and B cells are originated in
a) spleen
b) thymus
c) bone marrow
d) lymph nodes
8. Injection of anti-venom against snake bite is an example of
a) active immunity
b) passive immunity
c) non-specific immunity
d) phagocytic immunity
9. Which of the following statements are true regarding adaptive immunity
a) prior exposure to antigen is essential
b) prior exposure to antigen is not essential
c) it is a non-specific defence mechanism
d) macrophages are the major cells involved
10. Active immunity involves
a) contact with foreign antigens
b) immunologic memory
c) slow primary response
d)all of the above
11. Active immunity is produced by
a) clonal selection
b) clonal expansion
c) both a and b
d) all of these
12. Cells involved in adaptive immunity or acquired immunity or specific defence include
a) T cells
b) B cells
c) antigen presenting cells
d) all of these
13. Plasma cells are secreted by
a) T cells
b) B cells
c) antigen presenting cells
d) macrophages
14. The characteristics of passive immunity include
a) immediate relief
b) no immunologic memory
c) resistance for a short period only
d) all of these
15. Immunologic memory is provided by
a) B cells
b) T cells
c) both a and b
d) phagocytes
Learn more: Immunology NotesImmunology MCQs
Answers
1. d) all of these
2. d) all of these
3. a) B cells and T cells
4. c) cell mediated immunity
5. a) 3:1
6. b) B cells
7. c) bone marrow
8. c) non-specific immunity
9. a) prior exposure to antigen is essential
10. d) all of the above
11. c) both a and b
12. d) all of these
13. b) B cells
14. d) all of these
15. c) both a and b
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