NEET2010ZoologyExcretory Products and their EliminationActual
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.
Options
- AIf both assertion and reason are true and reason is the correct explanation of assertion
- BIf both assertion and reason are true but reason is not the correct explanation of assertion
- CIf assertion is true but reason is false
- DIf both assertion and reason are false.
Correct answer
D. If both assertion and reason are false.
Step-by-step solution
The descending limb of loop of Henle is permeable to water but almost impermeable to electrolytes. This concentrates the filtrate as it moves down.