Q1 / 157 · NTA Abhyas (NEET) 2020 · Zoology · Excretory Products and their Elimination

The human kidney

  • A
    Is responsible for the storage of nutrients such as glycogen
  • B
    Concentrates the urine by actively transporting water out of the filtrate
  • Correct answer
    C
    Produces more dilute urine when the collecting ducts become less permeable to water
  • D
    Responds to antidiuretic hormone by increasing urine output

Solution

The filtrate from the distal convoluted tubule enters the collecting tubule, where further reabsorption of water occurs. Now the filtration becomes more concentrated, which makes the filtrate hypertonic. If the collecting duct becomes less permeable to water, more diluted urine will be formed (hypotonic).

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

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