Counter immunoelectrophoresis is useful for detection of
a. One antigen/antibody
b. Two antigens/antibody
c. More than two
d. None of these
65. 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
Toxins and viruses can be detected by
a. Precipitation b. Agglutination
c. Neutralisation d. None of these
67. Which is most antigenic?
a. Exotoxins b. Endotoxins
c. Viruses d. All of these
Shick test is used for the detection of
a. Diphtheria b. T.B.
c. Cholera d. Typhoid
Secondary function of complements are
a. Haemolysis b. Phagocytosis
c. Both a and b d. None of these
Very effective, less time consuming and
At a time so many samples can be detected by
a. ELISA b. CFT
c. Neutralization d. Agglutination
71. B-cells are involved in
a. Humoral immunity
b. Cell-mediated immunity
c. Active immunity
d. Passive immunity
Innate immunity is
a. Specific b. Non-specific
c. Active d. Passive
Innate immunity is developed by
a. Mechanical barriers
b. Chemical barriers
c. Both a and b
d. None of these
Acquired immunity is
a. Natural b. Artificial
c. Active & Passive d. All of these
Acquired immunity can be developed by
a. Natural means b. Artificial means
c. Both a and b d. None of these
Immediate type hypersensitivity reactions are
a. Type-I b. Type-II
c. Type-III d. All a, b and c
Immediate type of hypersensitivity
Reactions are mediated by
a. T-cells b. B-cells
c. Mast cells d. Macrophages
Example for cell-mediated immunity are
a. Tuberculin type b. Contact dermatitis
c. Granulomatous d. All of these
Mountax reaction is used for detection
Of
a. T.B. b. Diphtheria
c. Cholera d. None of these
All the antibodies produced from a B-cell are having
a. Similar specificity b. Different specificities
c. Similar size d. None of these
81. 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
Anthrax vaccine is prepared by
a. Attenuated bacilli b. Killing the bacilli
c. Live bacilli d. None of these
Attenuated, oral poliomyelitis vaccine is
a. BCG b. Measles vaccine
c. Sabin vaccine d. TAB vaccine
Killed, polio vaccine is
a. Sabin vaccine b. Salk
c. BCG d. TAB
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
Pertussis vaccine is
a. Heat killed b. Formalin killed
c. Attenuated d. live
DPT is
a. Triple vaccine b. Double vaccine
c. Tetanus toxoid d. All of these
DPT, is used as vaccine for
a. Diphtheria b. Pertussis vaccine
c. Tetanus toxoid d. All of these
DPT is given to children at the age of 16-24 months, as the dose is