Multiple choice

Which blood group is called as universal donor?

  1. AB

  2. O +ve

  3. A

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

Blood group O negative (O-) is the universal donor because it lacks A, B, and Rh antigens. While O+ is often cited in simplified contexts, O- is the true universal donor.

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