Q155 / 200 · NEET 2010 (Screening) · Zoology

Which one of the following statements in regard to the excretion by the human kidneys is correct?

  • A
    Descending limb of Loop of Henle is impermeable to water
  • B
    Distal convoluted tubule is incapable of reabsorbing $\mathrm{HCO}_3$
  • Correct answer
    C
    Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal tubules
  • D
    Ascending limb of loop of Henle is impermeable to electrolytes

Solution

The plasma fluid that filters out from glomerular capillaries into Bowman's capsule of nephron is called glomerular filtrate. A comparison of the volume of the filtrate formed per day $(180 \mathrm{~L} /$ day) with that of the urine released $(1.5 \mathrm{~L})$, suggests that nearly 99 per cent of the filtrate has to be reabsorbed by the renal tubules. This process is called reabsorption.

Hence, the correct answer is option: 'C'.

Relevant Questions