Body Fluids and Circulation Question 24
24. What is correct for blood group ‘O’?[2001]
(a) No antigens but both $a$ and $b$ antibodies are present
(b) A antigen and $b$ antibody
(c) Antigen and antibody both absent
(d) $A$ and $B$ antigens and $a, b$ antibodies
Show Answer
Answer : a
Hints & Solutions
(a) Blood group ’ $O$ ’ is known as the universal donor since it does not contain antigens.
