जॉइन Examsbook
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प्र: The grouping of blood is based on substances called

  • 1
    antibodies
  • 2
    antigens
  • 3
    antitoxin
  • 4
    enzymes
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उत्तर : 2. "antigens"
व्याख्या :

Answer: B) antigens Explanation: The red blood corpuscles  or erythrocytes usually carry antigens and there are two types of antigens. The A group persons have antigen A in their red corpuscles and the B group have antigen B in their red corpuscles. The AB group person have both antigen A and antigen B in their erythrocytes. The 'O' group persons have no antigens in their red corpuscles.

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