Question

The disease diabetes mellitus is caused by the deficiency of:

• A. Iodine.
• B. Insulin.
• C. Phenyl alanine hydroxylase.
• D. Lysine.

Answer 1

The correct option is B Insulin.

The disease of diabetes mellitus is caused by the deficiency of Insulin.

It is a disease in which body stops producing insulin or body doesn't make enough insulin, can't use the insulin it does produce or a combination of both, resulting in high blood glucose (blood sugar).

Hence,option $B$ is correct.