13 exam-style questions · Biology only (B): not in Science (Double Award). Write your answer, check it against the mark scheme and tick the points you earned. Your marks stay on this device. Your writing is not saved.
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3.29B Composition of urine
Exam question
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Name three substances found in the urine of a healthy person.
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Total for this question: 3 marks
3.29B Composition of urine
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Which substance is NOT normally found in urine?
(1)Total for this question: 1 mark
3.29B Composition of urine
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Explain why protein is not found in the urine of a healthy person.
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Total for this question: 2 marks
3.29B Composition of urine
Exam question
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Illustrative clinic data.
| Person | Glucose | Protein | Volume / dm³ per day |
|---|---|---|---|
| P | none | none | 1.5 |
| Q | high | none | 3.8 |
| R | none | present | 1.2 |
Suggest which person may have diabetes. Give a reason for your answer.
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Total for this question: 2 marks
3.29B Composition of urine
Exam question
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| Person | Glucose | Protein | Volume / dm³ per day |
|---|---|---|---|
| P | none | none | 1.5 |
| Q | high | none | 3.8 |
| R | none | present | 1.2 |
Suggest what the result for person R shows.
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Total for this question: 2 marks
3.29B Composition of urine
Exam question
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| Person | Glucose | Protein | Volume / dm³ per day |
|---|---|---|---|
| P | none | none | 1.5 |
| Q | high | none | 3.8 |
| R | none | present | 1.2 |
Explain why person Q produces a larger volume of urine than person P.
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Total for this question: 2 marks
3.29B Composition of urine
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Explain why the concentration of urea in urine is higher in the morning.
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Total for this question: 2 marks
3.29B Composition of urine
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Compare the composition of urine on a hot day with a cool day.
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Total for this question: 2 marks
3.29B Composition of urine
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Suggest why athletes' urine is tested for drugs.
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Total for this question: 2 marks
3.29B Composition of urine
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A sample of urine contains 20 g of urea per dm³. A person produces 1.6 dm³ of urine per day. Calculate the mass of urea excreted per day.
(2)Total for this question: 2 marks
3.29B Composition of urine
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Explain why urine contains more salt after a salty meal.
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Total for this question: 2 marks
3.29B Composition of urine
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Which test detects glucose in urine?
(1)Total for this question: 1 mark
3.29B Composition of urine
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State the substance that gives urine its yellow colour.
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Total for this question: 1 mark
