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Class 12 Biology
Human Health And Disease Chapter 8
Quiz 1
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Antigenic determinant sites bind to which portion of an antibody molecule? (1) Light chain (2) Heavy chain (3) Intermediate chains (4) Plasma cells
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1 and 2 are correct
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2 and 4 are correct
0%
1, 2, 3 are correct
0%
1 and 3 are correct
Anti venom against snake poison contains:
0%
Antigens
0%
Enzymes
0%
Antigen-antibody complexes
0%
Antibodies
Formation of antibodies within our body is called:
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Innate immunity
0%
Acquired immunity
0%
Passive immunity
0%
Active immunity
Antibodies are produced by:
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T-cells
0%
B-cells
0%
Monocytes
0%
Phagocytes
Japanese encephalitis is transmitted by
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Tse tse fly
0%
Sand fly
0%
Housefly
0%
Mosquito
The sporozoites that cause infection when a female Anopheles mosquito bites a human being are formed in:
0%
Salivary glands of mosquito
0%
Intestine of human
0%
Liver of human
0%
RBCs of mosquito
The organisms which cause diseases in plants and animals are called:
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Worms
0%
Pathogens
0%
Vectors
0%
Insects
Where will you look for the sporozoites of the malarial parasite?
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Saliva of infected female Anopheles mosquito
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Spleen of infected humans
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Salivary glands of freshly moulted female Anopheles mosquito
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Red blood corpuscles of human suffering from malaria
Which of the following vaccines are injected at the age of Months?
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Polio and BCG
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BCG and Hepatitis-B
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BCG and DTP-Hib
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DTP-Hib and Polio
Which of the following is the unit of immune system?
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Chondrocyte
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Erythrocyte
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Lymphocyte
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Parasite
Both sickle cell anaemia and Huntington's chorea are:
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Congenital diseases
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Viral diseases
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Bacterial diseases
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Pollution-related diseases
Immuno-deficiency syndrome could develop due to
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Defective liver
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AIDS virus
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Defective thymus
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Weak immune system
The function of IgE is
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Protection from inhaled/ingested pathogens
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Mediate in allergic response
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Activation of B-cells
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Stimulation of complement system, passive immunity to foetus
The chemical test that is used for diagnosis of typhoid is:
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ESR-Test
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PCR-Test
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Widal-Test
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ELISA-Test
The disease chikunguniya is transmitted by
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Cockroach
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Aedes mosquitoes
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House flies
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Female Anopheles
Antigen-binding site in an antibody, is found between:
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Two light chains
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One heavy and one light chain
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Either between two light chains or between one heavy and one light chain
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Two heavy chains
Which immunoglobulin is largest in size?
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Ig D
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Ig A
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Ig E
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Ig M
Short lived immunity acquired from mother to foetus across placenta or through mother's milk to the infants is
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Passive immunity
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Innate non-specific immunity
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Active immunity
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Cellular immunity
Each immunoglobin has two heavy chains and two light chains, the antigen binding is present in:
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Variable region of light chain
0%
Variable region of both heavy and light chains
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Variable region of light chain
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Variable region of heavy chain
Which of the following is not a lymphoid tissue?
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Tonsils
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Appendix
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Thymus
0%
Spleen
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