Multiple choice general knowledge

The most common blood type in the world is Type O. The rarest, Type A-H, has been found in less than a dozen people since the type was discovered.

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

While Type O is indeed the most common blood type globally, the existence of 'Type A-H' as a legitimate blood type is questionable. The standard ABO system includes A, B, AB, and O - not A-H.