Which hormonal deficiency is responsible for the following (i) Diabetes mellitus (ii) Goitre (iii) Cretinism

[mereena]

(i) Diabetes mellitus is due to deficiency of insulin.
(ii) Gbitre is due to deficiency of thyroxine ($T_4$ ) and triiodothyronine ($T_3$).
(iii) Cretinism is due to deficiency of thyroxine hormone.