Class 9 Biology MCQs (Grade 9) From Textbook

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Class 9 Biology MCQs – Certification Test 373

Red Blood Cells Trivia (Question 373) – App & e-Book Download

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MCQ: 373

The function of hemoglobin in blood is the transportation of

  1. oxygen only
  2. carbon dioxide only
  3. nitrogen
  4. oxygen and carbon dioxide

Red Blood Cells Learning Guide – Class 9 Biology App & e-Book Trivia

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Red Blood Cells Trivia App (iOS & Android)

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