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SSC CGL General Science question with solution

General ScienceModerate

Which blood group is known as the universal donor?

  1. (A)A positive
  2. (B)O negative
  3. (C)B negative
  4. (D)AB positive

Correct answer: (B) O negative

O negative blood has no A, B or Rh antigens on red cells, so it can be given to patients of any blood group; AB positive is the universal recipient. Hence, 'O negative' is the correct answer among the given options.

About this question

Subject
General Awareness
Topic
General Science
Exam
SSC (general)
Attempts on SSC Rank
Not attempted yet

Appears in: SSC CGL 2024 Tier 1 Question Paper — 10 September, Shift 1; SSC CHSL 2024 Tier 1 Question Paper — 1 July, Shift 1; SSC MTS 2024 Computer Based Examination Question Paper — 30 September, Shift 1; SSC CGL 2023 Tier 1 Question Paper — 14 July, Shift 2

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Last reviewed on 5 Oct 2026. Spotted a mistake? See our correction policy.