Cushing's syndrome and myxoedema are associated with these glands respectively:

If $X$ is a hormone which controls the carbohydrate metabolism in the body and $Y$ is a hormone which controls the secretion of $X$,then $X$ and $Y$ are

Significant role in calcium balance in the body is performed by
$I$. $PTH$
$II$. $T_{4}$ and $T_{3}$
$III$. $TCT$
The correct option is

Identify the location of secretion and the primary function for the following hormones:
$(1)$ Relaxin
$(2)$ Thyrocalcitonin

Who is the "Father of Endocrinology"?

Complete the following analogy-based questions:
$1$. Hyperglycemia : Diabetes Mellitus :: Beta cells : ....
$2$. Excess Growth Hormone : Gigantism :: Low secretion : .......
$3$. Pineal gland : Melatonin :: Somatostatin : .....