issb general knowledge MCQ #623

Which blood type is universal donor?

issb general knowledge MCQ #623

  1. Question 1

    Q1. Which blood type is universal donor?

    • A) A
    • B) B
    • C) AB
    • D) O negative

    Answer: O negative

    Explanation: O negative blood can be donated to most recipients. This fact often appears in ISSB academic and general knowledge sections.