Zoology-Human Excretory System
NEET Zoology Human Excretory System MCQ Question
Type: MCQ-numerical-Hard-Class 11
If an adult human excretes approximately 30 grams of urea per day and their urine output is 1.5 liters per day, what is the concentration of urea in the urine in grams per liter?
A
20 g/L
B
15 g/L
C
25 g/L
D
30 g/L
Correct Answer
Option B
Detailed Explanation
The concentration of urea is calculated by dividing the total amount of urea excreted (30 grams) by the daily urine output (1.5 liters), resulting in 20 grams per liter.
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