Memory cells of the immune system are derived from…….
a) T lymphocytes
b) plasma cells
c) B lymphocytes
d) both a and c
Which of these is specifically responsible for antibody mediated immunity?
a) T cells
b) platelets
c) B cells
d) all of these
T cells…….
a) are responsible for cell mediated immunity
b) have passed through thymus
c) stimulate and suppress B cells
d) all of these
Compound formed in an organism for inhibiting growth of another organism is
a) antigen
b) antibiotic
c) antibody
d) antiallergic
Antigen binding site in an antibody is found between…….
a) two light chains
b) one heavy and one light chain
c) two heavy chains
d) both b and c
Humoral immunity is due to……..
a) T lymphocytes
b) P- lymphocytes
c) L-lymphocytes
d) B-lymphocytes
