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Class 9 Biology MCQs – Certification Test 122

Red Blood Cells MCQs (Question 122) – App & e-Book Download

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MCQ: 122

In females, the number of red blood cells in one cubic millimeter of blood are

  1. 1 to 2 million
  2. 2 to 3 million
  3. 4 to 4.5 million
  4. 4.5 to 5.5 million

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