Science
easyQ. No. 16198
Deficiency of which mineral is the most common nutritional cause of anaemia?
Last Updated:
ACalcium
BIron
CIodine
DZinc
Correct Answer: IronYour Answer: B
Explanation
Iron deficiency is the most common nutritional cause of anaemia because iron is essential for haemoglobin synthesis. Iron-deficiency anaemia commonly causes fatigue, pallor, reduced work capacity and microcytic hypochromic red cells. Calcium primarily supports bone and signalling, iodine thyroid hormone and zinc enzymes, growth and immunity.
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Nutrition FAQs
Common questions and clear answers for this topic.
What nutrients does the human body need?
The body needs carbohydrates, proteins, fats, vitamins, minerals and water. Dietary fibre also supports digestive and metabolic health. A balanced diet supplies these components in amounts suited to a person’s age, activity and physiological needs.
Which nutrition facts are commonly tested in competitive exams?
Competitive exams commonly test nutrient functions and sources, energy values, vitamin and mineral deficiencies, fat-soluble and water-soluble vitamins, balanced diets, and protein-energy malnutrition such as kwashiorkor and marasmus.
How should nutrient-deficiency questions be revised?
Learn each nutrient as a four-part link: its major dietary sources, principal function, characteristic deficiency and important excess effect. This method makes similar options easier to distinguish.