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Everyday Science Medium FPSC PPSC NTS Uploaded: 22 Jun 2026

Which blood type is known as the universal donor for blood transfusions?

  • A A positive
  • B AB positive
  • C O negative
  • D B negative
Correct Answer: Option C — O negative
Explanation:
O negative blood is known as the universal donor type because it lacks A B and Rh antigens making it compatible with recipients of nearly any blood type in emergency transfusions.
Submitted by: PaperMCQs
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