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Question: Answered & Verified by Expert
Assertion : While on going down the loop of Henle, the filtrate becomes hypotonic.
Reason : The descending limb of loop of Henle is impermeable to both water and electrolytes.
BiologyExcretory Products and their EliminationAIIMSAIIMS 2010
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion
  • B If both assertion and reason are true but reason is not the correct explanation of assertion
  • C If assertion is true but reason is false
  • D If both assertion and reason are false.
Solution:
2420 Upvotes Verified Answer
The correct answer is: If both assertion and reason are false.
The descending limb of loop of Henle is permeable to water but almost impermeable to electrolytes. This concentrates the filtrate as it moves down.

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