Excretory Products And Their Elimination Ques 45
45. In the renal tubules the permeability of the distal convoluted tubule and collecting duct to water is controlled by
(a) Vasopressin
(c) Growth hormone
(b) Aldosterone
(d) Renin
Show Answer
Answer : a
Hints & Solutions
(a) Growth hormone, released by the anterior lobe of pituitary which brings about body growth by synthesis and deposition of proteins in tissues. Renin secreted by special cells in kidneys regulates blood pressure. Aldosterone reduces $Na^{+}$elimination by helping active reabsorption from the nephric filtrate.
BETA
