3.21 Excretory products of the lungs, kidneys and skin
Exam question
Mark points shown after marking
Which organ excretes urea?
(1)Total for this question: 1 mark
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3(i) EXCRETION · EXAM QUESTIONS
3.21 Excretory products of the lungs, kidneys and skin
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3.21 Excretory products of the lungs, kidneys and skin
Exam question
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State what is meant by excretion.
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Total for this question: 2 marks
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
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Name the main excretory product of the lungs, the kidneys and the skin.
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Total for this question: 3 marks
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
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Explain why removing faeces is not excretion.
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Total for this question: 2 marks
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
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Explain why urea must be excreted.
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Total for this question: 2 marks
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
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Describe how urea is made.
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Total for this question: 2 marks
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
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Explain why the skin is described as an excretory organ.
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Total for this question: 2 marks
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
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Which is an excretory product of the lungs?
(1)Total for this question: 1 mark
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
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Explain why carbon dioxide must be removed from the body.
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Total for this question: 2 marks
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
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Illustrative data for an adult on a cool day.
Daily losses of water from the body Route Volume / cm³ per day urine 1500 sweat 500 exhaled air 400 faeces 100 Illustrative data, not from a real investigation. Calculate the percentage of total daily water loss that is lost in urine.
(2)%Total for this question: 2 marks
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
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Daily losses of water from the body Route Volume / cm³ per day urine 1500 sweat 500 exhaled air 400 faeces 100 Illustrative data, not from a real investigation. Predict how the values in the table would change on a hot day. Explain your answer.
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Total for this question: 2 marks
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
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Explain why the water lost in faeces is not excretion but the water lost in urine is.
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Total for this question: 2 marks
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
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Suggest why people with kidney failure can still lose some urea.
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Total for this question: 2 marks
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
Mark points shown after marking
Which organ makes urea?
(1)Total for this question: 1 mark
Lesson: 3.21 Excretory products of the lungs, kidneys and skin
3.21 Excretory products of the lungs, kidneys and skin
Exam question
Mark points shown after marking
Compare egestion and excretion.
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Total for this question: 2 marks
Lesson: 3.21 Excretory products of the lungs, kidneys and skin