Class 9 Biology MCQs (Grade 9) From Textbook

Free Blood Groups MCQ App Download | Class 9 Biology e-Book PDF

Class 9 Biology Exam Prep: Certification Test 1403

Blood Groups MCQ App & e-Book: MCQ 1403

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MCQ: 1403

The difference between blood groups Rh-positive and Rh-negative are based on antigens known as

  1. positive factors
  2. O factors
  3. AB factors
  4. Rh factors

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Blood Groups Exam Prep: Class 9 Biology App & eBook MCQ

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Blood Groups MCQ App (iOS & Android)

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9th Grade Biology MCQ App (Android & iOS)

9th Grade Biology MCQ App

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O Level Biology MCQ App

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