NEET Zoology Urine Formation MCQ Question
If the kidneys filter 180 liters of blood per day, and produce urine that is four times as concentrated as the initial filtrate, what is the approximate volume of urine produced per day?
45 liters
5 liters
8 liters
0.45 liters
Correct Answer
Detailed Explanation
Based on the NCERT context, the kidneys concentrate urine to four times the initial filtrate. Therefore, 180 liters of filtrate results in 180/4 = 45 liters of urine. To find the concentrated urine volume, divide 180 liters by 4, giving 4.5 liters.
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