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NEETZoologyExcretory Products and their Elimination

Read the following statements and choose the follwoing option: 1. DCT cannot maintain pH and sodium-potassium balance in blood. 2. Collecting duct extends from medulla towards the cortex of kidney 3. Only a small amount of water can be reabsorbed by collecting duct 4. Coumns of Bertini is present inside nephrons

Options

  1. AAll are incorrect
  2. BOnly 4 is correct
  3. CBoth 1and 4 is correct
  4. DOnly 3 is correct

Correct answer

A. All are incorrect

Step-by-step solution

DCT is 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.

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