Question

what are deficiency disease ? name three deficiency diseases and their cause.​

Answer 1

Explanation:

Goitre = deficiency of Iodine

Night blindness = deficiency of vitamin A

redness of gums or bleeding gums =deficiency of vitamin C

rickets or weakness of bones = deficiency of vitamin D

Answer 2

Answer and Explanation:

Diseases that occur due to lack of nutrients over a long period are called deficiency diseases or nutritional disease. Deficiency of one or more nutrients can cause diseases or disorders in our body.

Three deficiency diseases and their causes are listed below:

Anaemia- caused by the lack of iron

Rickets - caused by the lack of Vitamin D

Night blindness - caused by the lack of Vitamin A