Igcse Model Questions Vol1 2023 Biology Question 9
Practice objective / multiple choice question 9 from the 2023 Igcse Model Questions Vol1 Biology examination.
The glomerular filtration rate (GFR) in a kidney is \(120\) mL min\(^{-1}\). Of the filtrate, \(99\%\) of water, \(85\%\) of glucose and \(60\%\) of urea are re‑absorbed. The plasma concentrations of glucose and urea are \(0.9\) g L\(^{-1}\) and \(0.5\) g L\(^{-1}\) respectively. Assuming steady‑state conditions, calculate the concentrations of glucose and urea in the final urine, expressed in mg dL\(^{-1}\).
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This is Igcse Model Questions Vol1 2023 Biology Question 9. It is one of the objective questions from the 2023 Igcse Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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