Pollution Concepts, Pathways, and Receptors · CAPE Environmental Science Unit 2

50 past-paper questions on Pollution Concepts, Pathways, and Receptors, part of Pollution of the Environment, from every CAPE Environmental Science Unit 2 paper on Quelpr.

1. 96 marks· CAPE Environmental Science Unit 2 · 2004 · Paper 1A chemical manufacturer stores chemical waste in ponds on the property located 100 miles (160 km) inland. Water sampling along the coast identified chemical components from this waste. Outline TWO possible pathways of…
2. 116 marks· CAPE Environmental Science Unit 2 · 2004 · Paper 1Concentration of pollutants that are below the acceptable threshold levels should not cause environmental concerns. Outline TWO reasons why you agree or disagree with this statement.
3. 9(a)2 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 1Define the term 'pollution'.
4. 9(b)(i)3 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 1Outline how population growth may increase environmental pollution.
5. 9(b)(ii)3 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 1Outline how economic development may increase environmental pollution.
6. 7(b)4 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 2State FOUR environmental receptors of ANY pollutant indicated in (a) above.
7. 7(c)5 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 2Outline the impact of ANY ONE of the pollutants identified in (a) on ONE of the environmental receptors identified in (b) above.
8. 9(a)3 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 2What are 'pathogens'? Include ONE example of a pathogen in your response.
9. 9(a)3 marks· CAPE Environmental Science Unit 2 · 2006 · Paper 1Persistence
10. 9(b)3 marks· CAPE Environmental Science Unit 2 · 2006 · Paper 1Mobility
11. 10(a)4 marks· CAPE Environmental Science Unit 2 · 2006 · Paper 1Identify the processes occurring along EACH pathway by which the pesticide may enter Oceans.
12. 10(b)4 marks· CAPE Environmental Science Unit 2 · 2006 · Paper 1Identify the processes occurring along EACH pathway by which the pesticide may enter Humans.
13. 7(c)(i)2 marks· CAPE Environmental Science Unit 2 · 2006 · Paper 2For EACH of the pollutants identified in (b) above, state its nature.
14. 9(a)(i)8 marks· CAPE Environmental Science Unit 2 · 2006 · Paper 2Would you recommend that humans eat the game birds that are caught? Justify your answer.
15. 7(b)4 marks· CAPE Environmental Science Unit 2 · 2008 · Paper 2Outline TWO environmental pathways of the pesticide.
16. 7(c)6 marks· CAPE Environmental Science Unit 2 · 2008 · Paper 2Account for the differences in dieldrin concentration among the organisms in Table 1. Include THREE points in your response.
17. 7(d)6 marks· CAPE Environmental Science Unit 2 · 2008 · Paper 2Describe TWO characteristics of pesticides that account for their environmental impact.
18. 8(c)5 marks· CAPE Environmental Science Unit 2 · 2010 · Paper 2Explain how a shark can exhibit possibly dangerous levels of mercury, if it does not come into contact with actual metallic mercury, and the concentration of mercury in the ocean is extremely low.
19. 5(b)(i)1 mark· CAPE Environmental Science Unit 2 · 2011 · Paper 2Complete Figure 5 to show ONE pathway by which the pesticide may enter humans.
20. 5(b)(ii)1 mark· CAPE Environmental Science Unit 2 · 2011 · Paper 2Complete Figure 5 to show ONE pathway by which the pesticide may enter oceans.
21. 5(c)4 marks· CAPE Environmental Science Unit 2 · 2011 · Paper 2Identify the processes in Figure 5 which are labelled A, B, C and D.
22. 5(d)(i)3 marks· CAPE Environmental Science Unit 2 · 2011 · Paper 2State THREE inferences that may be drawn from the results presented in Table 3.
23. 5(d)(ii)2 marks· CAPE Environmental Science Unit 2 · 2011 · Paper 2Calculate the minimum concentration factor of the pesticide in the tertiary consumers.
24. 5(d)(iii)6 marks· CAPE Environmental Science Unit 2 · 2011 · Paper 2Explain the pattern of pesticide concentration in the ecosystem that is shown in Table 3.
25. 5(b)(i)5 marks· CAPE Environmental Science Unit 2 · 2012 · Paper 2Describe the pathway of heavy metal pollution in this section of the river, and use this information to explain why the concentration of heavy metals is much higher in the swamp's oysters than in the river water.
26. 6(a)3 marks· CAPE Environmental Science Unit 2 · 2012 · Paper 2Define the term 'pollutant'.
27. 6(b)6 marks· CAPE Environmental Science Unit 2 · 2012 · Paper 2Discuss the statement: 'The institutional framework within a country can be an underlying cause of air pollution', including THREE points in your response.
28. 5(a)2 marks· CAPE Environmental Science Unit 2 · 2013 · Paper 2Explain the difference between the terms 'pollutant' and 'pollution'.
29. 5(b)(ii)6 marks· CAPE Environmental Science Unit 2 · 2013 · Paper 2The country completed a pollution index exercise where 0 indicates no pollution and 100 indicates high pollution; the index rose from 14 in 1990 to 73 in 2005. Use the information in Figure 6 and your answer to (b)(i)…
30. 6(c)4 marks· CAPE Environmental Science Unit 2 · 2013 · Paper 2Persons fishing in the river below Green Valley Village have found fish highly contaminated with materials believed to originate from the landfill. Explain how fish found far from the landfill could be so highly…
31. 6(a)2 marks· CAPE Environmental Science Unit 2 · 2014 · Paper 2Identify which of the arrows labelled A–F in Figure 7 are INCORRECTLY placed.
32. 5(b)(i)2 marks· CAPE Environmental Science Unit 2 · 2015 · Paper 2Identify TWO environmental receptors for the chromium emitted by the factory.
33. 5(b)(ii)3 marks· CAPE Environmental Science Unit 2 · 2015 · Paper 2Explain whether it is necessary that these environmental receptors be situated directly in the lakes.
34. 6(a)(i)2 marks· CAPE Environmental Science Unit 2 · 2015 · Paper 2State TWO underlying causes of pollution, other than a lack of environmental ethics.
35. 6(a)(ii)1 mark· CAPE Environmental Science Unit 2 · 2015 · Paper 2Define the term 'environmental ethics'.
36. 6(a)(iii)4 marks· CAPE Environmental Science Unit 2 · 2015 · Paper 2Suggest TWO reasons demonstrating how a lack of environmental ethics functions as an underlying cause of pollution.
37. 5(a)(i)2 marks· CAPE Environmental Science Unit 2 · 2016 · Paper 2State what is meant by an environmental receptor.
38. 5(b)(i)4 marks· CAPE Environmental Science Unit 2 · 2016 · Paper 2On Figure 4, use arrows to indicate the likely movement of pesticides through the ecosystem.
39. 5(b)(ii)1 mark· CAPE Environmental Science Unit 2 · 2016 · Paper 2Identify which component is the starting point for the pollution in Figure 4.
40. 5(b)(iii)3 marks· CAPE Environmental Science Unit 2 · 2016 · Paper 2Identify in which component you would expect to find the highest concentration of pesticides and give a reason for your answer.
41. 6(a)3 marks· CAPE Environmental Science Unit 2 · 2016 · Paper 2List THREE underlying causes of pollution.
42. 6(c)3 marks· CAPE Environmental Science Unit 2 · 2018 · Paper 2List THREE heavy metal pollutants, other than arsenic, cadmium and chromium.
43. 5(a)(i)2 marks· CAPE Environmental Science Unit 2 · 2019 · Paper 2Define the term 'pollutant'.
44. 6(b)6 marks· CAPE Environmental Science Unit 2 · 2019 · Paper 2Explain why fishes in Oyster Bay show high levels of metals even though metal concentrations in the river water are low.
45. 6(c)2 marks· CAPE Environmental Science Unit 2 · 2019 · Paper 2Define the term 'receptor'.
46. 5(a)(i)3 marks· CAPE Environmental Science Unit 2 · 2021 · Paper 2What is meant by the term 'synergistic effects'?
47. 5(a)(ii)3 marks· CAPE Environmental Science Unit 2 · 2021 · Paper 2Explain the impact of the synergistic effect on the environment when a dispersant is sprayed on an oil spill to clean it up.
48. 6(a)(i)3 marks· CAPE Environmental Science Unit 2 · 2021 · Paper 2Identify any THREE receptors for the pesticide that was sprayed on the farm in Figure 6.
49. 6(a)(ii)2 marks· CAPE Environmental Science Unit 2 · 2021 · Paper 2Define the term 'biomagnification'.
50. 6(a)(iii)4 marks· CAPE Environmental Science Unit 2 · 2021 · Paper 2In Figure 6, the numbers in brackets refer to the concentration of the pesticide found in each organism. Using this information, draw a flow chart to illustrate the concept of biomagnification on this farm.