1:Antigen-antibody reactions are
(a) Reversible
(b) Irreversible
(c) Specific
(d) Both a and b
Answer:(d) Both a and b
2:Serological reactions are useful for
(a) Detection of antigens
(b) Detection of antibodies
(c) Both a and b
(d) None of these
Answer:(c) Both a and b
3:For the separation of antigens the method used is
(a) Immunoelectrophoresis
(b) Flocculation
(c) Agglutination
(d) None of these
Answer:(a) Immunoelectrophoresis
4:Counter immunoelectrophoresis is useful for detection of
(a) One antigen/antibody
(b) Two antigens/antibody
(c) More than two
(d) None of these
Answer:(a) One antigen/antibody
5:When a particular antigen is mixed with antibody in the presence of an electrolyte at suitable temperature and pH the particles are clumped, this is called:
(a) Precipitation
(b) Agglutination
(c) Electrophoresis
(d) CIE
Answer:(b) Agglutination
6:Toxins and viruses can be detected by
(a) Precipitation
(b) Agglutination
(c) Neutralisation
(d) None of these
Answer:(c) Neutralisation
7:Which is most antigenic?
(a) Exotoxins
(b) Endotoxins
(c) Viruses
(d) All of these
Answer:(a) Exotoxins
8:Shick test is used for the detection of
(a) Diphtheria
(b) T.B.
(c) Cholera
(d) Typhoid
Answer:(a) Diphtheria
9:Secondary function of complements are
(a) Haemolysis
(b) Phagocytosis
(c) Both a and b
(d) None of these
Answer:(c) Both a and b
10:Very effective, less time consuming and at a time so many samples can be detected by
(a) ELISA
(b) CFT
(c) Neutralization
(d) Agglutination
Answer:(a) ELISA
11:â-cells are involved in
(a) Humoral immunity
(b) Cell-mediated immunity
(c) Active immunity
(d) Passive immunity
Answer:(a) Humoral immunity
12:Innate immunity is
(a) Specific
(b) Non-specific
(c) Active
(d) Passive
Answer:(b) Non-specific
13:Innate immunity is developed by
(a) Mechanical barriers
(b) Chemical barriers
(c) Both a and b
(d) None of these
Answer:(c) Both a and b
14:Acquired immunity is
(a) Natural
(b) Artificial
(c) Active & Passive
(d) All of these
Answer:(d) All of these
15:Acquired immunity can be developed by
(a) Natural means
(b) Artificial means
(c) Both a and b
(d) None of these
Answer:(c) Both a and b
16:Immediate type hypersensitivity reactions are
(a) Type-I
(b) Type-II
(c) Type-III
(d) All a, b and c
Answer:(d) All a, b and c
17:Immediate type of hypersensitivity reactions are mediated by
(a) T-cells
(b) β-cells
(c) Mast cells
(d) Macrophages
Answer:(b) β-cells
18:Example for cell-mediated immunity are
(a) Tuberculin type
(b) Contact dermatitis
(c) Granulomatous
(d) All of these
Answer:(d) All of these
19:Mountax reaction is used for detection of
(a) T.B.
(b) Diphtheria
(c) Cholera
(d) None of these
Answer:(a) T.B.
20:All the antibodies produced from a â-cell are having
(a) Similar specificity
(b) Different specificities
(c) Similar size
(d) None of these
Answer:(a) Similar specificity
21:Hybridoma formation in hybridoma technique is from
(a) Spleen cell – Myeloma cell
(b) Spleen cell – Spleen cell
(c) Myeloma cell – Myeloma cell
(d) None of these
Answer:(a) Spleen cell – Myeloma cell
22:Anthrax vaccine is prepared by
(a) Attenuated bacilli
(b) Killing the bacilli
(c) Live bacilli
(d) None of these
Answer:(a) Attenuated bacilli
23:Attenuated, oral poliomyelitis vaccine is
(a) BCG
(b) Measles vaccine
(c) Sabin vaccine
(d) TAB vaccine
Answer:(c) Sabin vaccine
24:Killed, polio vaccine is
(a) Sabin vaccine
(b) Salk
(c) BCG
(d) TAB
Answer:(a) Sabin vaccine
25:Measles vaccine is given to children at the age of
(a) 1 year
(b) 7 months
(c) between 9 months and 10 years
(d) None of these
Answer:(c) between 9 months and 10 years
26:Pertussis vaccine is
(a) Heat killed
(b) Formalin killed
(c) Attenuated
(d) Live
Answer:(b) Formalin killed
27:DPT is
(a) Triple vaccine
(b) Double vaccine
(c) Tetanus toxoid
(d) All of these
Answer:(a) Triple vaccine
28:DPT, is used as vaccine for
(a) Diphtheria
(b) Pertussis vaccine
(c) Tetanus toxoid
(d) All of these
Answer:(d) All of these
29:DPT is given to children at the age of 16- 24 months, as the dose is
(a) 0.5 ml at intervals of 4 weeks
(b) A booster dose of 0.5 ml
(c) Both a and b
(d) None of these
Answer:(c) Both a and b
30:If more than one kind of immunizing agent is included in the vaccine, it is
(a) Cellular vaccine
(b) Recombinant vaccine
(c) Mixed vaccine
(d) Toxoid vaccine
Answer:(c) Mixed vaccine