18465.Progenitors formed in bone marrow but differentiating elsewhere are
Pre-NK cells
Pre-erythroblasts
Pre-T cells
Myeloblasts
18466.Resistance developed in an individual as a result of antigenic stimulus is
Natural immunity
Active acquired immunity
Passive acquired immunity
Artificial immunity
18467.Rh- mother carries Rh+ foetus. The foetus is at a risk of disease called
Haemophilia
Haemolytic disease
Tuberculosis
Syphilis
18469.Segments of antigen that are recognized by antibody are
Memory regions
Epitopes
Nondeterminants
Self limitation
18471.Short lived immunity acquired by foetus/ infant from mother through placenta/milk is
Active immunity
passive immunity
Cellular immunity
Innate nonspecific immunity
18472.Study of immune responses to foreign substances in blood is known as
Haematology
serology
immunology
angiology
18473.T-cells respond to pathogens by producing
Killer T-cells
Helper T-cells
Supressor T-cells and memory cells
Killer T-cells, helper T-cells and suppressor T-cells
18474.The antigen binding site of antibody is found in
Variable region of light chain
Variable region of heavy chain
Variable region of both heavy and light chains
Constant region of light chain
18475.The cells active in production of antibodies are
Kupffer cells
Plasma cells
mast-cells
Langerhans cells
18476.The disease erythroblastosis foetalis of human baby is due to
Incompatibility of blood groups of the couple
Incompatibility of blood groups of embryo and mother
Maladjustment of Rh factor
All the above
18477.The disorder in which both B-lymphocytes and T-lymphocytes are not formed is
SCID
AIDS
Cystic fibrosis
Muscular dystrophy