Waec Model Questions Vol1 2024 Biology Question 21

Practice objective / multiple choice question 21 from the 2024 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2024 Biology Objective / Multiple Choice Medium Difficulty
Question 21 WAEC_MODEL_QUESTIONS_VOL1 • 2024 • BIOLOGY • objective

The glomerular filtration rate (GFR) in a healthy adult is 120 mL min⁻¹. The plasma concentration of urea is 0.20 g L⁻¹. If 85 % of the filtered urea is re‑absorbed by the renal tubules, how many milligrams of urea are excreted in the urine in one hour?

Answer Options

Correct Answer A. 216 mg per hour
B. 1 440 mg per hour
C. 144 mg per hour
D. 288 mg per hour
Correct Answer
A
Correct Option:
216 mg per hour

About This Question

This is Waec Model Questions Vol1 2024 Biology Question 21. It is one of the objective questions from the 2024 Waec Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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