Multiple choice general knowledge

what is the most common blood type in humans

  1. a

  2. b

  3. o

  4. ab
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Type O blood is the most common blood type globally, particularly O positive. This is because O is the universal donor for red blood cells and has been evolutionarily favored. Type AB is the rarest blood type. The ABO system categorizes these blood types based on the presence or absence of antigens.

Keep practicing — related questions