Home / Everyday Science MCQs / Biology / __________ is essential for the formation of hemoglobin.

__________ is essential for the formation of hemoglobin.

A. Calcium

B. Iron

C. Water
D. Carbohydrates

__________ is essential for the formation of hemoglobin. | Iron | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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