Neco Model Questions Vol1 2025 Biology Question 25
Practice objective / multiple choice question 25 from the 2025 Neco Model Questions Vol1 Biology examination.
A mammal has a glomerular filtration rate (GFR) of \(120\) mL·min\(^{-1}\). Of the filtrate, \(99\%\) of water and \(85\%\) of urea are reabsorbed in the proximal tubule; an additional \(10\%\) of water and \(5\%\) of urea are reabsorbed in the loop of Henle; finally, \(5\%\) of water and \(2\%\) of urea are reabsorbed in the distal tubule before excretion. What percentage of the original filtered urea is excreted in the final urine? Give your answer to two decimal places.
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About This Question
This is Neco Model Questions Vol1 2025 Biology Question 25. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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