Igcse Model Questions Vol1 2021 Biology Question 21

Practice objective / multiple choice question 21 from the 2021 Igcse Model Questions Vol1 Biology examination.

Igcse Model Questions Vol1 2021 Biology Objective / Multiple Choice Medium Difficulty
Question 21 IGCSE_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • objective

A kidney filters plasma at a glomerular filtration rate of 120 mL min\(^{-1}\). The plasma concentration of urea is 0.25 g L\(^{-1}\). If 60 % of the filtered urea is re‑absorbed, how many grams of urea are excreted in one hour?

Answer Options

A. 0.432 g h⁻¹
Correct Answer B. 0.72 g h⁻¹
C. 0.012 g h⁻¹
D. 0.90 g h⁻¹
Correct Answer
B
Correct Option:
0.72 g h⁻¹

About This Question

This is Igcse Model Questions Vol1 2021 Biology Question 21. It is one of the objective questions from the 2021 Igcse Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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