Which of the following disorders is related to the thyroid gland?

$A$: Thyroxine shows calorigenic effect.
$R$: Thyroxine increases catabolism,produces energy,and increases body temperature.

The hormone which regulates the basal metabolism in our body is secreted from

Tadpoles of a frog can be made to grow into giant-sized tadpoles if they are:

Deficiency of thyroxine in adults leads to a condition characterized by:
$(i)$. Low metabolic rate
$(ii)$. Increase in body weight
$(iii)$. Tendency to retain water in tissues
This condition is known as:

Which of the following diseases is known as autoimmune thyroiditis or thyroid's suicide?