NEET Zoology Urine Formation Assertion Reason Question
Assertion (A): The loop of Henle is crucial for establishing the osmolar gradient in the kidney.
Reason (R): The descending limb of the loop of Henle is impermeable to water, preventing water movement.
Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true but (R) is not the correct explanation of (A).
(A) is true but (R) is false.
(A) is false but (R) is true.
Correct Answer
Detailed Explanation
The loop of Henle establishes the osmolar gradient, but the descending limb is permeable to water, not impermeable as stated in (R).
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