Which of the following is the largest gland in an adult man?

Contraction of the uterus,increase in arterial pressure and reduction in urine output are produced by

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

Identify the odd one out from the following.

The general function of a gland is to

Match the hormones in Column $I$ with their associated glands/sources in Column $II$:

Column $I$ (Hormone)	Column $II$ (Associated Gland/Source)
$(a)$ $T_{4}$	$(i)$ Hypothalamus
$(b)$ $PTH$	$(ii)$ Thyroid
$(c)$ $GnRH$	$(iii)$ Pituitary
$(d)$ $LH$	$(iv)$ Parathyroid