Some hormones check the milk from being secreted by the mammary glands till the birth of young ones even though the glands are all prepared to do so. They are

A person suffering from diabetes insipidus will pass what amount of urine per day

Name the hormone $X$

Insulin was isolated from dog by

How the parathyroid hormone increases the $Ca^+$ levels in the body.

$I.$ Somatostatin inhibits intestinal absorption of glucose       $II.$ Leydig's cell secrete progesterone       $III.$ Melatonin is secreted by pineal gland       $IV.$ Myxoedema is a thyroid disorder       $V.$ Neurohypophysis secreted $ACTH$

Select the correct statements and choose the option