Which one of the following is both a hormone and an enzyme?

Select the correct statements.
$(a)$ Angiotensin $II$ activates the cortex of adrenal gland to release aldosterone.
$(b)$ Aldosterone leads to increase in blood pressure.
$(c)$ $ANF$ acts as a check on renin-angiotensin mechanism.
$(d)$ $ADH$ causes vasodilation.
$(e)$ Vasopressin is released from adenohypophysis.
Choose the most appropriate answer from the options given below:

"Water drinkers" is the name given to persons who have:

Reabsorption of water in $DCT$ and $CT$ part of nephron is a function of

Volume of urine is regulated by

The functioning of the kidneys is efficiently monitored and regulated by the hormonal feedback mechanism involving