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1. Antigenic determinant sites bind to which portion of an antibody molecule? (1) Light chain (2) Heavy chain (3) Intermediate chains (4) Plasma cells
A. 1 and 2 are correct
B. 2 and 4 are correct
C. 1, 2, 3 are correct
D. 1 and 3 are correct
2. Anti venom against snake poison contains:
A. Antigens
B. Enzymes
C. Antigen-antibody complexes
D. Antibodies
3. Formation of antibodies within our body is called:
A. Innate immunity
B. Acquired immunity
C. Passive immunity
D. Active immunity
4. Antibodies are produced by:
A. T-cells
B. B-cells
C. Monocytes
D. Phagocytes
5. Japanese encephalitis is transmitted by
A. Tse tse fly
B. Sand fly
C. Housefly
D. Mosquito
6. The sporozoites that cause infection when a female Anopheles mosquito bites a human being are formed in:
A. Salivary glands of mosquito
B. Intestine of human
C. Liver of human
D. RBCs of mosquito
7. The organisms which cause diseases in plants and animals are called:
A. Worms
B. Pathogens
C. Vectors
D. Insects
8. Where will you look for the sporozoites of the malarial parasite?
A. Saliva of infected female Anopheles mosquito
B. Spleen of infected humans
C. Salivary glands of freshly moulted female Anopheles mosquito
D. Red blood corpuscles of human suffering from malaria
10. Which of the following is the unit of immune system?
A. Chondrocyte
B. Erythrocyte
C. Lymphocyte
D. Parasite
11. Both sickle cell anaemia and Huntington's chorea are:
A. Congenital diseases
B. Viral diseases
C. Bacterial diseases
D. Pollution-related diseases
12. Immuno-deficiency syndrome could develop due to
A. Defective liver
B. AIDS virus
C. Defective thymus
D. Weak immune system
13. The function of IgE is
A. Protection from inhaled/ingested pathogens
B. Mediate in allergic response
C. Activation of B-cells
D. Stimulation of complement system, passive immunity to foetus
14. The chemical test that is used for diagnosis of typhoid is:
A. ESR-Test
B. PCR-Test
C. Widal-Test
D. ELISA-Test
15. The disease chikunguniya is transmitted by
A. Cockroach
B. Aedes mosquitoes
C. House flies
D. Female Anopheles
16. Antigen-binding site in an antibody, is found between:
A. Two light chains
B. One heavy and one light chain
C. Either between two light chains or between one heavy and one light chain
D. Two heavy chains
17. Which immunoglobulin is largest in size?
A. Ig D
B. Ig A
C. Ig E
D. Ig M
18. Short lived immunity acquired from mother to foetus across placenta or through mother's milk to the infants is
A. Passive immunity
B. Innate non-specific immunity
C. Active immunity
D. Cellular immunity
19. Each immunoglobin has two heavy chains and two light chains, the antigen binding is present in:
A. Variable region of light chain
B. Variable region of both heavy and light chains
C. Variable region of light chain
D. Variable region of heavy chain
20. Which of the following is not a lymphoid tissue?
A. Tonsils
B. Appendix
C. Thymus
D. Spleen
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