STANDARDZoology-Excretory Products and their Elimination

STANDARD Zoology Urine Formation MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Human urine is usually acidic because

A

Excreted plasma proteins are acidic

B

Potassium and sodium exchange generates acidity

C

Hydrogen ions are actively secreted into the filtrate

D

The sodium transporter exchanges one hydrogen ion, for each sodium ion in Peritubular capillaries

Correct Answer

Option C

Detailed Explanation

Tubular secretion maintains the pH and ionic balance of body fluids in which hydrogen ions are actively secreted into the filtrate and bicarbonate ions are reabsorbed.

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