Multiple choice

Which of the following antibodies is/are present in the person having 'O' blood group?

  1. Only a

  2. Only b

  3. Both a and b

  4. Either a or b

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

Person having 'O' blood group has both the antibodies a and b but he does not have any antigen. So, it can donate blood to all the persons but can receive only 'O' blood group.