1:Test used for AIDS is
(a) Widal test
(b) ELISA
(c) Agglutination
(d) CFT
Answer:(b) ELISA
2:Antibody having high valency is
(a) IgG
(b) IgA
(c) IgD
(d) IgM
Answer:(d) IgM
3:Intensity of attraction between antigen and antibody molecule is known as
(a) Affinity
(b) Avidity
(c) Reaction
(d) None of these
Answer:(a) Affinity
4:Active immunity is induced by
(a) Infection
(b) Placental transfer of antibodies
(c) Injection of antibodies
(d) Injection of gamma- globulins
Answer:(a) Infection
5:Pasteur developed the vaccines for
(a) Anthrax
(b) Rabies
(c) Chicken cholera
(d) All of the above
Answer:(d) All of the above
6:Delayed type of hypersensitivity is seen in
(a) Penicillin allergy
(b) Contact dermatitis
(c) Arthus reaction
(d) Anaphylaxis
Answer:(b) Contact dermatitis
7:The following are used for the preservation of viruses, except
(a) Freezing (–20°C–70°C)
(b) Lyophilization
(c) Ether
(d) Formaldehyde
Answer:(c) Ether
8:Antibody formation depends on
(a) Age of the person
(b) Amount of antigen
(c) Well being of the person
(d) All of the above
Answer:(d) All of the above
9:Local immunity is important in
(a) Influenza
(b) Allergy
(c) Polio
(d) All of these
Answer:(d) All of these
10:Role of magnesium in vaccines is
(a) Adjuvant
(b) Stabilizer
(c) Conditioner
(d) All of these
Answer:(b) Stabilizer
11:Immunity is life long following
(a) Diphtheria
(b) Tetanus
(c) Measles
(d) Yellow fever
Answer:(c) Measles
12:To prepare vaccine for smallpox, the material used by Edward Jenner is
(a) Smallpox material
(b) Chicken pox material
(c) Cow-pox material
(d) Measles material
Answer:(c) Cow-pox material
13:During recombination, the strain that donates genetic material frequently with high rate:
(a) Hfr-Strain
(b) F+-Strain
(c) F-Strain
(d) both a and c
Answer:(a) Hfr-Strain
14:The character acquired by the cell due to recombination is
(a) Inheritable
(b) Suppressed
(c) Dominating
(d) Heritable
Answer:(d) Heritable
15:T-cells are produced from
(a) Bone Marrow
(b) Thymus
(c) Spleen
(d) None of these
Answer:(b) Thymus
16:Antibodies are produced from
(a) T-cells
(b) â-cells
(c) NK cells
(d) Eosinophils
Answer:(b) â-cells
17: Incomplete antigens are called
(a) Immunogens
(b) Epitomes
(c) Haptens
(d) Paratope
Answer:(c) Haptens
18:To be antigen, the chemical molecule (protein) needs
(a) High molecular weight
(b) Chemical complexity
(c) Both a and b
(d) None of these
Answer:(c) Both a and b
19:The parts which filter lymph are
(a) Lymph nodes
(b) Spleen
(c) Thymus
(d) Bone marrow
Answer:(a) Lymph nodes
20:The primary cells involved in immune response are
(a) NK-cells
(b) K-cells
(c) Lymphocytes
(d) None of these
Answer:(c) Lymphocytes
21:Plasma cells are the end cells of
(a) T-cells
(b) β-cells
(c) Killer cells
(d) Nk-cells
Answer:(b) β-cells
22: Basophils have receptors for antibodies
(a) IgG
(b) IgA
(c) IgM
(d) IgE
Answer:(d) IgE
23:Because of denaturation, antigens become functionless, these are called:
(a) Cross-reactive antigens
(b) Epitopes
(c) Hidden epitopes
(d) Forssman antigens
Answer:(c) Hidden epitopes
24:Capacity of antigen to breakdown into small fragments each with a single epitope region is known as
(a) Solubility
(b) Foreignness
(c) Denaturation
(d) None of these
Answer:(a) Solubility
25:Antigenic specificity is due to
(a) Chemical complexity
(b) Solubility
(c) Steric configuration
(d) All of these
Answer:(c) Steric configuration
26:Antibodies are
(a) Proteins
(b) Glycoproteins
(c) Phospholipids
(d) None of these
Answer:(b) Glycoproteins
27:General purpose antibody is
(a) IgA
(b) IgG
(c) IgM
(d) IgD
Answer:(b) IgG
28:Antibody present in colostrums is
(a) IgG
(b) IgA
(c) IgM
(d) IgE
Answer:(b) IgA
29:Which antibody is called a millionaire molecule?
(a) IgA
(b) IgM
(c) IgG
(d) IgD
Answer:(b) IgM
30: IgE is discovered by
(a) Ishizaka
(b) Porter
(c) Richet
(d) None of these
Answer:(a) Ishizaka
