A child is suffering from a deficiency disease. He shows the following symptoms:
(i) Swelling of ankle, feet and belly
(ii) Diarrhoea
(iii) Scaly skin
(iv) Mental retardation
Identify the deficiency disease and the deficient nutrient in the child’s body.
| Deficiency disease | Deficient nutrient | |
| A | Kwashiorkor | Proteins |
| B | Goitre | Iodine |
| C | Anaemia | Iron |
| D | Rickets | Vitamin D |