Home PYQs UPPSC UPPSC MCQs Prelims 1997 (GS Paper I)

Question

The "universal donor" is a person whose blood-group is:

  1. A
  2. B
  3. AB
  4. O

Answer:

Option D: O

Detailed Solution:

The correct answer is “O”.

Blood group O- is universal donor because it neither has antigen for blood group nor it has the antigen for Rh factor.