NEET Zoology Urine Formation Assertion Reason Question
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.
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
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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