Neco 2023 Biology Question 27
Practice objective / multiple choice question 27 from the 2023 Neco Biology examination.
A labelled diagram of a human nephron indicates the following percentages of the original glomerular filtrate volume reabsorbed at each segment: proximal convoluted tubule \(65\%\), descending limb of the loop of Henle \(15\%\), thick ascending limb \(0\%\) (impermeable to water), distal convoluted tubule \(5\%\), and collecting duct \(2\%\). (a) What percentage of the original filtrate is excreted as urine? (b) Which segment is primarily responsible for generating the medullary osmotic gradient?
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About This Question
This is Neco 2023 Biology Question 27. It is one of the objective questions from the 2023 Neco Biology examination.
Difficulty level: Hard .
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