Multiple choice

The ABO blood group system classified blood into

  1. Four types

  2. Two types

  3. One type

  4. Three types
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The ABO blood group system classifies human blood into four main types based on the presence or absence of A and B antigens: Type A (A antigen only), Type B (B antigen only), Type AB (both antigens), and Type O (neither antigen). This classification system is fundamental for safe blood transfusion.

Keep practicing — related questions