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1 markSexually Transmitted Infections and Chronic Diseases

CSEC Human and Social Biology · May/June 2012 · Paper 2 · Question 1(c)(ii)

Graphs show the number of male and female smokers and the incidence of lung cancer from 1970 to 2010.

State the period in which there was the GREATEST increase in the total number of smokers.

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Other parts of this question

  1. 1(a)Identify the structures labelled W, X and Y in Figure 1.[3 marks]
  2. 1(b)Identify ONE feature of the location of the alveoli and TWO features of their structure that allow them to carry out their function efficiently.[3 marks]
  3. 1(c)(i)State the year in which the total number of smokers was the HIGHEST.[1 mark]
  4. 1(c)(iii)Compare the pattern of smoking in men to that of women between 1990 and 2010.[2 marks]
  5. 1(c)(iv)Compare the pattern of lung cancer in females to that of smoking for females.[2 marks]
  6. 1(c)(v)Suggest ONE reason for the change in the pattern of smoking observed in men between 2000 and 2010.[1 mark]
  7. 1(c)(vi)Suggest TWO reasons for the pattern of smoking observed in females.[2 marks]

More practice: the rest of this paper · more Sexually Transmitted Infections and Chronic Diseases questions · all CSEC Human and Social Biology past papers