Post-UTME Biology 2008 Objective — Question 11
Question 11 of 15 from the Post-UTME Screening (Post-UTME) Biology 2008 Objective paper, with the correct answer and a full explanation.
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In blood transfusion, agglutination occurs when
- A. white blood cells from two people meet
- B. two different antibodies meet
- C. two different antigen meet
- D. contrasting antigens and antibodies meetCorrect
Explanation
Agglutination (clumping) occurs when antibodies bind to matching (incompatible) antigens on donor red cells.
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