Question

Blood group agglutinogens $A$ and $B$ are found:

• (A) In plasma
• (B) On WBC's
• (C) On RBC's
• (D) On blood platelets

Answer 1

The Correct Option is C

Explanation:
Agglutinogens $A$ and $B$ are the glycoproteins found on the surface of red blood cells. These are also known as $A$ and $B$ antigens and on the basis of these antigens, four blood groups are classified as $A,B,AB$ and $O$. Antigens $A$ and $B$ bind to specific antibodies called agglutinins and this process is called agglutination. In blood type $A$, antigen $A$ is present on RBCs while in blood type, antigen $B$ is present on RBCs. In blood type $AB$, both antigens $A$ and $B$ are present on RBCs and no antigen is present on RBCs in $O$ blood type.Hence, the correct option is (C).