Waec Model Questions Vol1 2021 Biology Question 39
Practice objective / multiple choice question 39 from the 2021 Waec Model Questions Vol1 Biology examination.
A person consumes 150 g of protein per day. Each gram of protein contains 0.16 g of nitrogen. Eighty percent of the absorbed nitrogen is excreted as urea. The molecular weight of urea is 60 g mol⁻¹ and each urea molecule contains two nitrogen atoms (atomic weight 14 g mol⁻¹). Calculate the mass of urea (in grams) excreted per day. Round your answer to the nearest gram.
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About This Question
This is Waec Model Questions Vol1 2021 Biology Question 39. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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