Question : Assertion : The hormone aldosterone increases the reabsorption of Na^(+) by the nephron and the excretion of K^(+). Reason : To maintain the pH of blood and body fluids, the kidneys secrete H^(+) and NH_(4)^(+).

Question : Assertion : The hormone aldosterone increases the reabsorpt

1.	Question : Assertion : The hormone aldosterone increases the reabsorption of Na^(+) by the nephron and the excretion of K^(+). Reason : To maintain the pH of blood and body fluids, the kidneys secrete H^(+) and NH_(4)^(+).
Answer» If both ASSERTION and REASON are true and Reason is CORRECT explanation of the Assertion. If both Assertion and Reason are true but Reason is not correct explanation of the Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Answer :B