Which of the following is the correct match for the hormone and its associated organ?

Insulin differs from growth hormone in the context of:

$I.$ Somatostatin inhibits intestinal absorption of glucose.
$II.$ Leydig cells secrete progesterone.
$III.$ Melatonin is secreted by the pineal gland.
$IV.$ Myxoedema is a thyroid disorder.
$V.$ Neurohypophysis secretes $ACTH$.
Select the correct statements and choose the option.

Match the hormones of Column-$I$ with their functions in Column-$II$.

Column-$I$	Column-$II$
$A$. Catecholamines	$(i)$ Diurnal rhythm
$B$. $MSH$	$(ii)$ Immune response
$C$. Thymosins	$(iii)$ Pigmentation
$D$. Melatonin	$(iv)$ Stress hormone

The hypothalamic hormones reach the pituitary gland through$:-$

Complete the following analogies:
$1$. Antidiuretic hormone : Diabetes insipidus :: $\beta$-cells of pancreas : ......
$2$. Corpus luteum : Progesterone :: Leydig cells : ......
$3$. $GIP$ : Gastric inhibitory peptide :: $CCK$ : ......