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Solution


Q.

Cretinism results due to:
1 excess secretion of growth hormone.  
2 under secretion of thyroxine.  
3 excess secretion of adrenaline.  
4 under secretion of growth hormone.  

Ans.

(2)

Cretinism is a condition arising from the deficiency of thyroid hormone, which causes stunted physical and mental growth. This deficiency, particularly during infancy or childhood, leads to reduced secretion of thyroxine (T4) hormone, which is critical for normal development. It is not related to the secretion levels of growth hormone or adrenaline but specifically to thyroxine produced by the thyroid gland.