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1 markRespiration and Air Pollution

CSEC Integrated Science · 2005 · Paper 2 · Question 1(b)(ii)

Figure 2 displays the percentage of populations in different locations (A, B, C, and D) suffering from severe cases of bronchitis.

Identify which location (A, B, C, or D) is least affected by severe bronchitis.

This question uses a figure or table from the paper — you'll see it when you practise.

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Other parts of this question

  1. 1(a)(i)State which model, A or B, better represents the human respiratory system.[1 mark]
  2. 1(a)(ii)Provide one reason for your answer in (a)(i).[2 marks]
  3. 1(a)(iii)a)State which part of the human respiratory system is represented by the balloons in Model B.[1 mark]
  4. 1(a)(iii)b)State which part of the human respiratory system is represented by the rubber in Model B.[1 mark]
  5. 1(a)(iv)Explain whether the volume of air inside the bell jar changes when the thumb in Model B is removed and the rubber flattens.[2 marks]
  6. 1(a)(v)Identify whether inhalation or exhalation is demonstrated by the bell jar model in Figure 1, giving one reason for your answer.[3 marks]
  7. 1(b)(i)Determine the percentage of the population at location A with severe bronchitis using Figure 2.[1 mark]
  8. 1(b)(iii)Suggest which location (A, B, C, or D) is most likely situated near a large cement factory.[1 mark]
  9. 1(b)(iv)Give two reasons supporting your suggestion in (b)(iii).[2 marks]

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