Zoology-Urine Formation
NEET Zoology Urine Formation Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 11
Assertion (A): The loop of Henle and vasa recta play a significant role in the mechanism of concentration of the filtrate. | Reason (R): The flow of filtrate in the two limbs of Henle's loop is in opposite directions, forming a counter-current.
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
Both the assertion and the reason are true; the counter-current mechanism in the loop of Henle and vasa recta is crucial for concentrating the filtrate, as mentioned in the NCERT context.
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