When foreign antigen entering the body, it provokes WBCs by producing…..
a) antigen
b) antibody
c) fibrin
d) collagen
ABO blood group system was discovered by…
a) Ernst Munch
b) Watson
c) Crick
d) Karl Land Steiner
ABO blood group system was discovered by Karl Land Steiner in ……
a) 1700
b) 1800
c) 1850
d) 1900
A human may have one of the following blood group……..……
a) A
b) B
c) O or AB
d) all of these
A person having blood group A, has antigen…………
a) A
b) B
c) AB
d) no antigen
A person having blood group A, has ………… antibodies in his blood.
a) anti-A
b) anti-B
c) anti-A and anti-B
d) no antibody
