alleryThe ABO blood group system depends on which feature of blood?
AColour of the plasma in different donor samples
BAntigens on the RBC and matching antibodies in plasma
CVolume of plasma in different donor samples
DpH value of plasma in different donor samples
Answer & Solution
Correct answer: B. Antigens on the RBC and matching antibodies in plasma
1. The chapter section on ABO system describes antigens and antibodies.
2. RBC carry A and B antigens in various combinations.
3. Plasma carries anti-A or anti-B antibodies.
4. So option A is correct.
_Source: Selina Concise Biology Class 10, Ch 7 The Circulatory System (Mistral OCR'd PDF), section on ABO system_
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