Assertion: Aldosterone is a steroid hormone and is important in the control of sodium and potassium ion concentration in mammals.Â
Reason: It upgrades sodium ioh concentration in the ECF by promoting reabsorption of sodium ions from renal tubules and excretion of potassium ions in urine
A. If both A and R are true and R is the correct explanation of A
B. If both A and R are true but R is not the correct explanation of A
C. If A is true and R is false
D. If both A and R are false