WBCS.LIVE practice question

Which of the following is a 'Universal Donor' blood group?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. A +
  2. B +
  3. AB +
  4. O -

Correct answer and explanation

Correct answer: O -

Explanation: āœ… Correct Answer: (D) O- šŸ“š Explanation: People with the O negative (O-) blood group are called universal donors because their red blood cells do not have A, B, or Rh antigens. Therefore, their blood can be given to patients of any blood type in emergencies without a high risk of an adverse reaction. Conversely, AB positive (AB+) is known as the universal recipient because they can receive blood from any group.