Class 9 Biology MCQs (Grade 9) From Textbook

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Class 9 Biology MCQs – Certification Test 405

Blood Groups Trivia (Question 405) – Study App & e-Book Download

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MCQ: 405

The antigens that differentiate one blood group from another are

  1. antigen A and B
  2. antigen C and D
  3. antigen O and A
  4. antigen O and B

Blood Groups Admission Tests – Class 9 Biology App & e-Book Trivia

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