issb general knowledge MCQ #821

Which blood group is universal donor?

issb general knowledge MCQ #821

  1. Question 1

    Q1. Which blood group is universal donor?

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