Question

What are deficiency diseases ? Give 2 examples

Answer 1

Deficiency disease is a disease caused by the lack of some essential or important element in the diet, usually a particular vitamin or mineral. Lack of sufficient dietary elements such as proteins, vitamins and nutrient minerals causes various deficiency diseases

example,
night blindness due to vitamin A deficiency
goiter due to deficiency of iodine

Answer 2

The diseases which are caused due to the less amount of vitamins or minerals in our food / diet , are known as deficiency diseases.

Examples :

Scurvy : Caused due to deficiency of vitamin C
Beri beri :Caused due to deficiency of Vitamin B