issb general knowledge MCQ #877

Which blood group is universal donor (wave 14)?

issb general knowledge MCQ #877

  1. Question 1

    Q1. Which blood group is universal donor (wave 14)?

    • 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. Work each step carefully; ISSB math rewards accuracy under time pressure.