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Everyday Science Medium FPSC Uploaded: 01 Sep 2026

Which of the following elements is essential for the formation of hemoglobin?

  • A Calcium
  • B Zinc
  • C Magnesium
  • D Iron
Correct Answer: Option D — Iron
Explanation:
Iron is a crucial component of hemoglobin, the protein in red blood cells responsible for transporting oxygen throughout the body.
Submitted by: PaperMCQs
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