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NDA 2021 GAT · General Knowledge · Nutrition, Diseases and Health · easy

Anaemia is mainly caused by the deficiency of

Single correct option

Anaemia is mainly caused by the deficiency of
  1. A. calcium
  2. B. iodine
  3. C. iron
  4. D. sodium
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Answer: (C) iron

Iron is a part of haemoglobin, the oxygen-carrying pigment in red blood cells. Lack of iron reduces haemoglobin and causes anaemia. Calcium deficiency affects bones and teeth, and iodine deficiency leads to goitre.
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Original question written in the NDA 2021 GAT pattern and checked twice for the correct answer. Not an official question paper. How we write and check questions · Corrections policy · Report a mistake