Protruding belly, dark and scaly skin, stunted growth, anemia, mental retardation, and swollen legs are the symptoms of which of the following disease?

The correct option is D

Kwashiorkor

Kwashiorkor is a protein deficiency disease mostly affecting children. Its symptoms include protruding belly, dark and scaly skin, stunted growth, anemia, mental retardation, and swollen legs.

Marasmus is caused due to the acute deficiency of carbohydrates and proteins. Its symptoms include children being underweight, loss of muscle and fat, dry skin and brittle hair.

Goitre is caused due to the deficiency of iodine and is characterised by an inflammed thyroid gland. Rickets is caused due to the deficiency of vitamin D and it causes weakening of the bones.