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Social and Preventative Medicine · CAPE Biology Unit 2

120 past-paper questions on Social and Preventative Medicine, part of Applications of Biology, from every CAPE Biology Unit 2 paper on Quelpr.

Practise Social and Preventative Medicine
  1. 2(c)(i)2 marks· Biology · Unit 2 Q2 2(c)(i)State TWO reasons why a balanced diet is important.
  2. 3(a)(i)1 mark· Biology · Unit 2 Q3 3(a)(i)Assuming that epidemiologic week 1 (not shown on the graph) was the first week of January, in which month was the first confirmed case of a Zika virus infection recorded?
  3. 3(a)(ii)4 marks· Biology · Unit 2 Q3 3(a)(ii)List FOUR other observations from the data provided in Figure 3. Your statements can refer to the epidemiologic week (instead of month).
  4. 3(a)(iii)6 marks· Biology · Unit 2 Q3 3(a)(iii)Explain the mechanisms by which viruses can be transmitted from an infected to an uninfected person by mosquitoes.
  5. 3(b)(i)5 marks· Biology · Unit 2 Q3 3(b)(i)On the grid provided on page 19, plot the data provided in Table 4 as a bar graph with weight (kg) on the x-axis.
  6. 3(b)(i)5 marks· Biology · Unit 2 Q3 3(b)(i)Construct ONE table to represent the data shown in Figures 6 and 7.
  7. 3(b)(ii)4 marks· Biology · Unit 2 Q3 3(b)(ii)Describe the results obtained under natural conditions and therapeutic conditions as shown in Figure 10 on page 20.
  8. 3(b)(ii)2 marks· Biology · Unit 2 Q3 3(b)(ii)State TWO key deductions based on the results of this study.
  9. 3(b)(ii)2 marks· Biology · Unit 2 Q3 3(b)(ii)State TWO conclusions which can be made from the data given in Figures 6 and 7 on page 24.
  10. 3(b)(iii)1 mark· Biology · Unit 2 Q3 3(b)(iii)Suggest ONE measure that would be effective in reducing the prevalence of cigarette smoking.
  11. 3(b)(iii)1 mark· Biology · Unit 2 Q3 3(b)(iii)State ONE link between diabetes and diet.
  12. 3(b)(iii)2 marks· Biology · Unit 2 Q3 3(b)(iii)State ONE suitable conclusion that can be made based on the results shown in Figure 10. You MUST give a reason to support your conclusion.
  13. 3(b)(iii)2 marks· Biology · Unit 2 Q3 3(b)(iii)Suggest ONE other strategy that can be used to control dengue transmission in the context of the Caribbean. Give a scientific reason why the strategy suggested would be effective.
  14. 3(c)5 marks· Biology · Unit 2 Q3 3(c)Describe FIVE risk factors that promote the onset of Type 2 diabetes.
  15. 3(c)8 marks· Biology · Unit 2 Q3 3(c)Discuss FOUR major economic impacts of diseases spread by mosquitoes.
  16. 3(c)8 marks· Biology · Unit 2 Q3 3(c)Using the data in Table 3 and the information provided, discuss the factors that may affect the distribution of diabetes and cancer in the Caribbean. You MUST present your response in complete paragraphs.
  17. 3(c)(i)1 mark· Biology · Unit 2 Q3 3(c)(i)State a suitable hypothesis for this experiment.
  18. 3(c)(ii)4 marks· Biology · Unit 2 Q3 3(c)(ii)Suggest FOUR ways that the procedure could have improved.
  19. 3(c)(iii)8 marks· Biology · Unit 2 Q3 3(c)(iii)Discuss TWO biological consequences of the progression of heart disease in Country X. Your response for EACH consequence MUST include one social issue and one possible economic issue that would arise if initiatives are…
  20. 6(a)4 marks· Biology · Unit 2 Q6 6(a)Suggest TWO methods other than the use of insecticides that a country could utilize to eradicate mosquitoes. For EACH method suggested, name the stage of the mosquito's life cycle on which the method is effective.
  21. 6(b)2 marks· Biology · Unit 2 Q6 6(b)List TWO diseases which would become prominent in a country which has a large mosquito population.
  22. 6(b)6 marks· Biology · Unit 2 Q6 6(b)Discuss THREE factors which may account for the continued spread of HIV in the Caribbean.
  23. 6(c)4 marks· Biology · Unit 2 Q6 6(c)State the trend in the number of mosquito-related disease cases between 2017 and 2019 and suggest THREE reasons for this trend.
  24. 6(d)5 marks· Biology · Unit 2 Q6 6(d)State the name of a process, other than reproduction, which may have led to the increase in the mosquito population and explain how this increase occurred despite the use of DDT.
  25. 6(d)(ii)6 marks· Biology · Unit 2 Q6 6(d)(ii)Discuss THREE ways in which human activities may have contributed to the spread of the animal pathogen.
  26. 4(f)1 mark· CAPE Biology Unit 2 · 2003 · Paper 1Atherosclerosis is a thickening of the artery walls as a result of deposition of fat and cholesterol in the lining. Deduce the effect this would have on blood pressure.
  27. 3(a)(i)2 marks· CAPE Biology Unit 2 · 2004 · Paper 2Give the MOST likely methods of transmission of AIDS in the 0 - 4 age group.
  28. 3(a)(ii)1 mark· CAPE Biology Unit 2 · 2004 · Paper 2Give the MOST likely methods of transmission of AIDS in the 5 - 14 age group.
  29. 3(b)(i)1 mark· CAPE Biology Unit 2 · 2004 · Paper 2In the spaces (1), (2) and (3) in Table 1, calculate and write the percentage sales for EACH of the THREE age groups.
  30. 3(b)(ii)3 marks· CAPE Biology Unit 2 · 2004 · Paper 2Use the data in Table 1 to complete the histogram in Figure 6, and fill in the missing age ranges on the horizontal x-axis.
  31. 3(c)(i)2 marks· CAPE Biology Unit 2 · 2004 · Paper 2From the data in Figure 5 and Table 1 or Figure 6, compare percentage condom sales with the percentage of AIDS cases in the late 20's age group.
  32. 3(c)(ii)1 mark· CAPE Biology Unit 2 · 2004 · Paper 2Suggest ONE adjustment that could be made by the centres (CDC and CPPC) in order to simplify the comparison of the TWO sets of data.
  33. 3(a)4 marks· CAPE Biology Unit 2 · 2005 · Paper 2Explain the procedures used and the calculations required to determine the VO2 max of an athlete.
  34. 3(b)(i)1 mark· CAPE Biology Unit 2 · 2005 · Paper 2Calculate the percentage increase in VO2 max attained by the subject at the end of the 24-month period based on Figure 5.
  35. 3(b)(ii)1 mark· CAPE Biology Unit 2 · 2005 · Paper 2Suggest why muscle fibres that increase in cross-sectional area in the first two months do not achieve further diameter increase over the remaining 22 months.
  36. 3(b)(iii)1 mark· CAPE Biology Unit 2 · 2005 · Paper 2If muscle cells do not increase in size, suggest how muscles continue to cause an increase in VO2 max.
  37. 3(b)(iv)2 marks· CAPE Biology Unit 2 · 2005 · Paper 2Explain why, when training ceases at 24 months, curves 's' and 'u' decline abruptly while curves 't' and 'v' decrease more slowly.
  38. 3(b)(v)1 mark· CAPE Biology Unit 2 · 2005 · Paper 2On the graph in Figure 5, draw the letter X at the points showing the 50% VO2 max value at 18, 20, and 22 months.
  39. 8(a)(i)4 marks· CAPE Biology Unit 2 · 2005 · Paper 2Describe the causes and effects of protein energy malnutrition (PEM).
  40. 8(a)(ii)4 marks· CAPE Biology Unit 2 · 2005 · Paper 2Describe the causes and effects of anorexia.
  41. 8(b)(i)1 mark· CAPE Biology Unit 2 · 2005 · Paper 2State what is meant by the abbreviation 'DRV'.
  42. 8(b)(ii)1 mark· CAPE Biology Unit 2 · 2005 · Paper 2State ONE advantage of fibre in the diet.
  43. 8(c)10 marks· CAPE Biology Unit 2 · 2005 · Paper 2Give reasons why a diet high in saturated fats is associated with atherosclerosis and coronary heart disease (CHD).
  44. 9(a)(i)2 marks· CAPE Biology Unit 2 · 2006 · Paper 2Using appropriate examples, recommend the appropriate diet for a lactating mother.
  45. 9(a)(ii)2 marks· CAPE Biology Unit 2 · 2006 · Paper 2Using appropriate examples, recommend the appropriate diet for sedentary grandparents.
  46. 9(a)(iii)2 marks· CAPE Biology Unit 2 · 2006 · Paper 2Using appropriate examples, recommend the appropriate diet for an agricultural labourer.
  47. 9(b)(ii)5 marks· CAPE Biology Unit 2 · 2006 · Paper 2Discuss reasons for the global distribution of HIV/AIDS and diabetes.
  48. 3(b)4 marks· CAPE Biology Unit 2 · 2007 · Paper 2Design a precise experiment and describe the measurements you would take to determine which group is the fittest in terms of pulse rate (P), blood pressure elevation (BP), and breathing rate (BR) following exercise.
  49. 8(a)(i)4 marks· CAPE Biology Unit 2 · 2007 · Paper 2Explain how HIV causes AIDS.
  50. 8(a)(ii)4 marks· CAPE Biology Unit 2 · 2007 · Paper 2Outline FIVE symptoms of AIDS.
  51. 8(a)(iii)4 marks· CAPE Biology Unit 2 · 2007 · Paper 2Discuss the impact of AIDS in the Caribbean.
  52. 3(a)6 marks· CAPE Biology Unit 2 · 2008 (Rest of Region) · Paper 2Construct two 'best fit' lines to display the data on the grid on page 11, using the same pair of axes and including a key.
  53. 3(b)3 marks· CAPE Biology Unit 2 · 2008 (Rest of Region) · Paper 2Describe the relationship between the number of fast food outlets (in thousands) and the prevalence of obesity (in millions) with reference to the 1985–2005 data.
  54. 3(c)3 marks· CAPE Biology Unit 2 · 2008 (Rest of Region) · Paper 2Project the graph lines for fast food outlets and obesity to the year 2015 using a sketched line, and state the projected relationship between them in 2015 using data to support your answer.
  55. 3(d)3 marks· CAPE Biology Unit 2 · 2008 (Rest of Region) · Paper 2State and explain THREE factors other than fast food outlets that could cause obesity in society.
  56. 3(b)(i)2 marks· CAPE Biology Unit 2 · 2008 (T&T) · Paper 2Calculate her Body Mass Index (BMI), showing all calculations.
  57. 3(b)(ii)1 mark· CAPE Biology Unit 2 · 2008 (T&T) · Paper 2Comment on this BMI value compared to the acceptable range.
  58. 3(b)(iii)2 marks· CAPE Biology Unit 2 · 2008 (T&T) · Paper 2Predict two medical conditions that this individual may develop based on her BMI and cholesterol levels.
  59. 6(a)6 marks· CAPE Biology Unit 2 · 2008 (T&T) · Paper 2Compare HIV infection and dengue in terms of mode of transmission, onset of symptoms, and prevention of transmission.
  60. 6(b)(i)4 marks· CAPE Biology Unit 2 · 2008 (T&T) · Paper 2Explain how HIV integrates and becomes a permanent part of the host cell in infected individuals.
  61. 6(b)(ii)1 mark· CAPE Biology Unit 2 · 2008 (T&T) · Paper 2Suggest one reason why integration into the host genome does not occur with the dengue virus.
  62. 6(c)4 marks· CAPE Biology Unit 2 · 2008 (T&T) · Paper 2Assess the validity of the statement that cancer is associated with changes in cell DNA, referring to two common causes of cancer.
  63. 6(a)(i)3 marks· CAPE Biology Unit 2 · 2009 · Paper 2State THREE key features of diabetes.
  64. 6(a)(ii)4 marks· CAPE Biology Unit 2 · 2009 · Paper 2Suggest TWO factors which are thought to be responsible for the increase in diabetes in the Caribbean.
  65. 3(b)(i)4 marks· CAPE Biology Unit 2 · 2010 · Paper 2Discuss the curves for laryngeal and lung cancer, and breast cancer.
  66. 3(b)(ii)2 marks· CAPE Biology Unit 2 · 2010 · Paper 2Suggest TWO reasons for the difference in the shapes of the curves.
  67. 3(b)(iii)2 marks· CAPE Biology Unit 2 · 2010 · Paper 2Outline TWO challenges that health authorities in the Caribbean may face in reversing the trends for laryngeal and lung cancer.
  68. Q311 mark · multiple choice· CAPE Biology Unit 2 · 2011 · Paper 1AIDS is caused by a
  69. Q331 mark · multiple choice· CAPE Biology Unit 2 · 2011 · Paper 1The organism that causes AIDS infects and destroys cells of the body's immune system so that their number gradually decreases. These cells are known as
  70. Q381 mark · multiple choice· CAPE Biology Unit 2 · 2011 · Paper 1Item 38 refers to the following diagram of the structure of the human immunodeficiency virus. The components of the virus which are considered to be important in producing a vaccine against the virus are the
  71. Q391 mark · multiple choice· CAPE Biology Unit 2 · 2011 · Paper 1A runner prepares for six months to run a marathon, by exercising for three hours daily. This MOST likely results in an increase in I. cardiac output II. tidal volume III. muscle strength IV. blood pressure
  72. Q401 mark · multiple choice· CAPE Biology Unit 2 · 2011 · Paper 1Body Mass Index (BMI) is now used as a simple means of assessing obesity. Which of the following formulae is used to calculate BMI?
  73. Q421 mark · multiple choice· CAPE Biology Unit 2 · 2011 · Paper 1Which of the following is NOT a possible cause of hypertension?
  74. 3(b)(i)4 marks· CAPE Biology Unit 2 · 2011 · Paper 2On Figure 5 describe, using annotations on the lines provided, the events occurring at Stages 1, 2, 4, and 8.
  75. 3(b)(ii)2 marks· CAPE Biology Unit 2 · 2011 · Paper 2State TWO distinct routes, other than sexual intercourse, by which HIV can be transmitted to human beings.
  76. Q311 mark · multiple choice· CAPE Biology Unit 2 · 2012 · Paper 1AIDS is caused by a
  77. Q381 mark · multiple choice· CAPE Biology Unit 2 · 2012 · Paper 1Which of the following is NOT a reason why energy requirements differ in people from birth to old age?
  78. Q391 mark · multiple choice· CAPE Biology Unit 2 · 2012 · Paper 1A runner prepares for six months to run a marathon by exercising for three hours daily. This MOST likely results in an increase in I. cardiac output II. tidal volume III. muscle size IV. blood pressure
  79. Q401 mark · multiple choice· CAPE Biology Unit 2 · 2012 · Paper 1Fatty deposits in arteries can contribute to strokes and heart disease. This condition is called
  80. Q411 mark · multiple choice· CAPE Biology Unit 2 · 2012 · Paper 1Which of the following correctly identifies the causative agent and the mode of transmission of dengue fever?
  81. Q451 mark · multiple choice· CAPE Biology Unit 2 · 2012 · Paper 1Which of the following interventions would be appropriate to include in an AIDS prevention programme?
  82. 3(b)(i)2 marks· CAPE Biology Unit 2 · 2012 · Paper 2Explain what is meant by the term 'balanced diet'.
  83. 3(b)(ii)a)2 marks· CAPE Biology Unit 2 · 2012 · Paper 2With reference to Figure 5, state TWO MAJOR categories of food in a balanced diet.
  84. 3(b)(ii)b)1 mark· CAPE Biology Unit 2 · 2012 · Paper 2With reference to Figure 5, state ONE food group which should be consumed in moderation.
  85. 3(b)(iii)2 marks· CAPE Biology Unit 2 · 2012 · Paper 2Comment on ONE possible health consequence of regularly consuming fats in excess of the daily requirement.
  86. Q311 mark · multiple choice· CAPE Biology Unit 2 · 2013 · Paper 1AIDS is caused by a
  87. Q401 mark · multiple choice· CAPE Biology Unit 2 · 2013 · Paper 1Body Mass Index (BMI) may be used as an indicator for obesity. Which of the following BMI values BEST reflects that of an obese individual?
  88. Q421 mark · multiple choice· CAPE Biology Unit 2 · 2013 · Paper 1Which of the following BEST describes the disease atherosclerosis?
  89. 3(a)(i)6 marks· CAPE Biology Unit 2 · 2013 · Paper 2Construct a histogram (comparative bar chart) of mortality rates for both men and women across the cancer types given in Table 1 on the grid provided on page 11.
  90. 3(a)(ii)3 marks· CAPE Biology Unit 2 · 2013 · Paper 2Based on Table 1, comment on the leading cause of cancer mortality for men, for women, and for both sexes combined, quoting the mortality rate in each case.
  91. 3(b)(i)2 marks· CAPE Biology Unit 2 · 2013 · Paper 2Define the term 'VO2 max'.
  92. 3(b)(ii)2 marks· CAPE Biology Unit 2 · 2013 · Paper 2Explain the plateau observed in the graph after reaching the VO2 max point.
  93. 3(b)(iii)2 marks· CAPE Biology Unit 2 · 2013 · Paper 2State two factors that affect VO2 max, explaining briefly how each factor influences its value.
  94. 6(b)(iii)2 marks· CAPE Biology Unit 2 · 2013 · Paper 2With reference to HIV, explain why T-cells are sometimes unable to effectively eliminate foreign organisms.
  95. Q311 mark · multiple choice· CAPE Biology Unit 2 · 2014 · Paper 1Which of the following represents the incidence rate for the period 2001 to 2002?
  96. Q331 mark · multiple choice· CAPE Biology Unit 2 · 2014 · Paper 1A highly malignant tumour linked to ultraviolet radiation is a
  97. Q391 mark · multiple choice· CAPE Biology Unit 2 · 2014 · Paper 1Cerebral haemorrhage MOST likely describes
  98. Q401 mark · multiple choice· CAPE Biology Unit 2 · 2014 · Paper 1Which of the following is NOT a health benefit of exercise?
  99. Q411 mark · multiple choice· CAPE Biology Unit 2 · 2014 · Paper 1One per cent of the human population is not susceptible to HIV. This is due to
  100. Q421 mark · multiple choice· CAPE Biology Unit 2 · 2014 · Paper 1Which of the following BEST describes the disease atherosclerosis?
  101. Q441 mark · multiple choice· CAPE Biology Unit 2 · 2014 · Paper 1Which of the following is likely to be the MOST effective in preventing a person from becoming infected with the dengue virus?
  102. 3(a)(i)5 marks· CAPE Biology Unit 2 · 2014 · Paper 2On the grid provided, draw line graphs of the data in Table 1 for Africa and Asia.
  103. 3(a)(ii)2 marks· CAPE Biology Unit 2 · 2014 · Paper 2Compare the trend in percentage of overweight and obesity for Africa with that of Latin America and the Caribbean, over the period 1990-2010.
  104. 3(a)(iii)2 marks· CAPE Biology Unit 2 · 2014 · Paper 2Suggest TWO key strategies which may be effective in reducing or preventing obesity in pre-school children.
  105. 6(a)7 marks· CAPE Biology Unit 2 · 2014 · Paper 2Explain the association between excessive dietary fat intake and hypertension. Include in your account a brief explanation of the term 'hypertension', and a concise description of plaque formation in arteries.
  106. Q311 mark · multiple choice· CAPE Biology Unit 2 · 2015 · Paper 1Which of the following is an example of an infectious disease spread via blood or in semen?
  107. Q401 mark · multiple choice· CAPE Biology Unit 2 · 2015 · Paper 1Which of the following are health benefits of exercise? I. Enhanced utilization of fat II. Speeding up of atherosclerosis III. Improved resistance to infection
  108. Q411 mark · multiple choice· CAPE Biology Unit 2 · 2015 · Paper 1Which of the following are the main cells infected by the human immunodeficiency virus?
  109. Q421 mark · multiple choice· CAPE Biology Unit 2 · 2015 · Paper 1Body Mass Index (BMI) may be used as an indicator for obesity. Which of the following BMI values BEST reflects that of an obese individual?
  110. Q431 mark · multiple choice· CAPE Biology Unit 2 · 2015 · Paper 1Which of the following BEST describes the disease atherosclerosis?
  111. Q441 mark · multiple choice· CAPE Biology Unit 2 · 2015 · Paper 1The parts labelled P and S are
  112. Q451 mark · multiple choice· CAPE Biology Unit 2 · 2015 · Paper 1Which part would MOST likely be of importance in producing a vaccine for the virus?
  113. 3(a)(i)5 marks· CAPE Biology Unit 2 · 2015 · Paper 2On the grid provided on page 9, plot a bar graph of the data in Table 1 using the x-axis for the time period.
  114. 3(a)(ii)2 marks· CAPE Biology Unit 2 · 2015 · Paper 2Describe the changes in obesity levels among the age groups over time.
  115. 3(a)(iii)3 marks· CAPE Biology Unit 2 · 2015 · Paper 2Suggest THREE possible reasons that may account for the trends described in obesity levels over time.
  116. 6(a)8 marks· CAPE Biology Unit 2 · 2016 · Paper 2Explain the mechanism by which the dengue fever virus multiplies within the body and its mode of transmission from person to person. Comment on how this knowledge allows better prevention of the disease.
  117. 6(b)7 marks· CAPE Biology Unit 2 · 2016 · Paper 2Discuss the social and economic impacts of AIDS in the Caribbean region.
  118. 3(b)(i)3 marks· CAPE Biology Unit 2 · 2018 · Paper 2Complete Table 2 by writing the numbers 2, 3, 4, 5 and 6 to indicate the order of the steps in the replication of HIV in host cells. Steps 1 and 7 have been done for you.
  119. 3(b)(ii)3 marks· CAPE Biology Unit 2 · 2018 · Paper 2Describe THREE ways by which HIV can be transmitted.
  120. 6(a)7 marks· CAPE Biology Unit 2 · 2018 · Paper 2Chronic diseases, which are increasing in both incidence and prevalence, are precipitated by lifestyle choices, and are having a marked effect on mortality in the Caribbean. Explain this phenomenon, referring to a…

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