Which element is vital for ‘Hemoglobin’ production?
AMagnesium
BCalcium
CZinc
DIron
Explanation
• Hemoglobin is the protein in red blood cells that transports oxygen.
• Iron is the central atom in the heme group that binds to oxygen.
• Iron deficiency leads to reduced oxygen transport and anemia.
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC Past Papers

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