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easyQ. No. 16196

Vitamin D deficiency in growing children primarily causes which disorder?

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This question tests a core concept of human nutrition: Vitamin D deficiency in children causes rickets, characterised by defective mineralisation of growing bones. Understanding this relationship helps explain how the body obtains energy, builds tissues, maintains immunity and prevents deficiency disease. The correct answer is Rickets. Students should connect the nutrient with its principal function, common dietary sources and characteristic deficiency or excess.

AOsteomalacia
BRickets
CAnaemia
DKwashiorkor
Correct Answer: RicketsYour Answer: B

Explanation

Vitamin D deficiency in children causes rickets, characterised by defective mineralisation of growing bones. Vitamin D supports calcium and phosphate absorption; severe deficiency may cause bowed legs, bone pain and growth delay. Osteomalacia is the corresponding adult bone disorder, anaemia usually concerns haemoglobin or micronutrients, and kwashiorkor is severe protein malnutrition. The distractors are related to nutrition, but each describes a different nutrient, function, energy value or deficiency condition.

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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.

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