Class 11 · Excretory Products and Their Elimination

DCT Functions and Selective Reabsorption — NEET Biology

🔥 Predicted for NEET 2027
📖 NCERT Source

Distal Convoluted Tubule (DCT): Conditional reabsorption of Na+ and water takes place in this segment. DCT is also capable of reabsorption of HCO3- and selective secretion of hydrogen and potassium ions and NH3 to maintain the pH and sodium-potassium balance in blood.

NCERT Biology · Class 11 · Chapter 16 · Paragraph 27
Why This May Be Tested in NEET 2027

Adjacent to a frequently-asked paragraph in the same chapter.

Practice This Concept
QuestionPredicted for NEET 2027

The part of nephron that plays a significant role in the maintenance of Na⁺-K⁺ balance under hormonal control is:

📖 Solution & NCERT Explanation
View solution & NCERT explanation

Correct answer: A DCT

DCT’s permeability is under hormonal influence.

❓ Frequently Asked Questions
What does NCERT say about Distal Convoluted Tubule DCT?
Distal Convoluted Tubule (DCT): Conditional reabsorption of Na+ and water takes place in this segment. DCT is also capable of reabsorption of HCO3- and selective secretion of hydrogen and potassium ions and NH3 to maintain the pH and sodium-potassium balance in blood.
Has this concept appeared in NEET?
High probability for NEET 2027. Adjacent to a frequently-asked paragraph in the same chapter.
Which chapter is this from?
Excretory Products and Their Elimination, Class 11 NCERT Biology.

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