3(i) EXCRETION · EXAM QUESTIONS

3.26B Reabsorption of water from the collecting duct

8 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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  1. 01DescribeShort answer2 marks

    3.26B Reabsorption of water from the collecting duct

    Exam question

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    Describe how water is reabsorbed from the collecting duct.

    (2)

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    Total for this question: 2 marks

  2. 02WhichMultiple choice1 mark

    3.26B Reabsorption of water from the collecting duct

    Exam question

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    By which process is water reabsorbed in the collecting duct?

    (1)
    Choose one answer

    Total for this question: 1 mark

  3. 03ExplainShort answer2 marks

    3.26B Reabsorption of water from the collecting duct

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    Explain why the medulla around the collecting duct has a high salt concentration.

    (2)

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    Total for this question: 2 marks

  4. 04ExplainShort answer2 marks

    3.26B Reabsorption of water from the collecting duct

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    Explain how the permeability of the collecting duct affects the volume of urine.

    (2)

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    Total for this question: 2 marks

  5. 05ExplainShort answer2 marks

    3.26B Reabsorption of water from the collecting duct

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    Explain why the urine of a dehydrated person is darker.

    (2)

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    Total for this question: 2 marks

  6. 06SuggestShort answer2 marks

    3.26B Reabsorption of water from the collecting duct

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    Suggest why animals with longer loops of Henle can produce more concentrated urine.

    (2)

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    Total for this question: 2 marks

  7. 07PredictShort answer2 marks

    3.26B Reabsorption of water from the collecting duct

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    Predict the effect on urine of a drug that makes the collecting duct less permeable to water. Explain.

    (2)

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    Total for this question: 2 marks

  8. 08StateShort answer1 mark

    3.26B Reabsorption of water from the collecting duct

    Exam question

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    State where water reabsorbed from the collecting duct goes.

    (1)

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    Total for this question: 1 mark

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