CAIE IGCSE Biology 7.1.3 Causes of Scurvy & Rickets

Practise linking vitamin C deficiency to scurvy and vitamin D deficiency to rickets, then use symptoms, food choices or intake data to identify each risk.

Exam points

identify vitamin C deficiency as the cause of scurvy, bleeding gums and slow wound healing
identify vitamin D deficiency as a cause of rickets and impaired development of strong bones
use food or RDA data to recommend vitamin-C-rich produce or appropriate vitamin-D sources

[Maximum number: 1]

Fish are an important part of a balanced diet for many people.

Fish are a good source of vitamin D.

State one effect of a diet that is deficient in vitamin D.

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7.1.3—Causes of scurvy and rickets question 1