Question

Deficiency disease definition

Answer 1

diseases that are caused by the lack of nutrients and vitamins is called deficiency diseases.

eg. night blindness etc.

hope it helps ☺☺

Answer 2

The disease caused by lack of vitamins and minerals.
Ex
Night blindness : deficient in vitamin A. People are unable to see in the dim light
Beriberi : affects the immune system. Lack of vitamin b
Scurvy: lack of vitamin c . Bleeding of gums and swelling of joints.