Class 9 Biology MCQs (Grade 9) From Textbook

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Class 9 Biology MCQs – Certification Test 399

Blood Groups MCQ (Question 399) – App & e-Book Download

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MCQ: 399

The person having both antigens A and B on the surface of RBCs has blood group

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

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