The hormone that controls the basal metabolic rate $(BMR)$ in our body is secreted by:

$A$ health disorder that results from the deficiency of thyroxine in adults and is characterised by $(i)$ a low metabolic rate,$(ii)$ an increase in body weight,and $(iii)$ a tendency to retain water in tissues is:

If the thyroid gland is completely removed from a tadpole,then :-

Which of the following trace elements is involved in the structure of a hormone?

Goitre affects

$A$ hormone which maintains $BMR$,regulates the metabolism of proteins and erythropoiesis is