NEET Biology question

Which of the following options has the correct pair of nephron parts that maintain pH and ionic balance of blood?

(A)Proximal convoluted tubule and Henle's loop
(B)Distal convoluted tubule and collecting ductCorrect
(C)Proximal convoluted tubule and glomerulus
(D)Collecting duct and Henle's loop

Answer: (B)

Solution

Both the distal convoluted tubule and the collecting duct help maintain the pH and ionic balance of blood through selective secretion of H+, K+ and NH3 along with regulated reabsorption of Na+, water and HCO3-, so option (b)

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Question ID VK-116760