Contents

Antigen is present on the surface of ……
a) red blood cells (RBCs)                 
b) white blood cells (WBCs)
c) platelets                                            
d) all of these

a

Blood transfusion in ABO blood system:


Rh blood group system was discovered by…..
a) Ernst Munch                   
b) Watson
c) Crick                                 
d) Karl Land Steiner

d

Rh blood group system was discovered by Karl Land Steiner in …..
a) 1900 
b) 1910                 
c) 1920 
d) 1930

d

Rh system was first discovered in…..
a) man  
b) bat                    
c) monkey
d) dog


c

Rh system was first discovered in…….monkey.
a) lemur                                
b) chimpanzee
c) rhesus                                               
d) gorilla

c