Zoology-Urine Formation
NEET Zoology Urine Formation Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 11
Assertion (A): The loop of Henle is crucial for the concentration of urine. | Reason (R): The counter-current mechanism in the loop of Henle and vasa recta helps maintain the osmolarity of the medullary interstitium.
A
Both A and R are true, and R is the correct explanation of A.
B
Both A and R are true, but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.
Correct Answer
Option A
Detailed Explanation
The loop of Henle and vasa recta play a significant role in forming a counter-current that helps concentrate urine by maintaining medullary osmolarity, as described in the NCERT context.
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