CAPE Environmental Science Unit 2 · 2015 · Paper 2

35 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.

1. 1(a)(i)3 marksState THREE features of sustainable agriculture.
2. 1(a)(ii)5 marksUsing the information from Table 1, state FIVE deductions regarding the students' perceptions of the impact of agriculture on the environment in their country.
3. 1(a)(iii)4 marksDiscuss TWO ways by which pollution from agrochemicals can threaten sustainable agriculture.
4. 1(b)4 marksProvide TWO reasons to justify the statement that agriculture plays significant roles in the Caribbean region and should be afforded greater importance and support.
5. 1(c)4 marksExplain, citing TWO reasons, how technology could impact POSITIVELY on agriculture in the Caribbean.
6. 2(a)(i)1 markIdentify the agricultural practice shown in Figure 1.
7. 2(a)(ii)2 marksState TWO reasons why this practice is suitable for use in Caribbean countries.
8. 2(b)(i)3 marksCalculate the difference in the yield of melon for Year 10 between the two cultivation methods.
9. 2(b)(ii)4 marksBased on the results shown in Figure 2, compare the trends in the yield of melon for the two methods, including FOUR points in your answer.
10. 2(b)(iii)6 marksProvide THREE different explanations that may account for the trends observed in Figure 2.
11. 2(c)4 marksSuggest FOUR benefits of organic farming to explain why Caribbean farmers are encouraged to adopt it.
12. 3(a)3 marksExplain the statement: "the world's socioeconomic dependency on fossil fuel combustion will make it difficult to reduce carbon dioxide emissions".
13. 3(b)(i)2 marksDefine the term 'efficiency of conversion' as it refers to energy.
14. 3(b)(ii)4 marksA Caribbean family consumes 7 200 MJ of energy per year on household lighting using incandescent bulbs, of which only 432 MJ is converted into light. State the efficiency of conversion of these bulbs AND state TWO…
15. 3(c)(i)5 marksGiven that total world production of biofuel in 2011 was 1 810 000 barrels per day, calculate how much more biofuel was produced in North, Central, and South America combined than in Europe.
16. 3(c)(ii)6 marksIn 2011, total world petroleum production was 87 331 600 barrels per day compared to 1 810 000 barrels per day of biofuel. Discuss TWO different reasons that could have resulted in this large disparity.
17. 4(a)(i)2 marksState which country generated the MOST electricity by renewable sources in 2010 AND how much electricity was generated.
18. 4(a)(ii)2 marksIdentify the TWO LEAST popular renewable energy sources in the Caribbean in 2010 based on Table 2.
19. 4(a)(iii)6 marksDiscuss the impact that hydroelectric power generation would have on a Caribbean country.
20. 4(b)(i)1 markDefine the term 'energy'.
21. 4(b)(ii)3 marksList THREE ways to improve energy efficiency.
22. 4(b)(iii)6 marksDiscuss how the implementation of EACH of the three ways identified in (b)(ii) results in greater energy efficiency.
23. 5(a)(i)3 marksIdentify THREE pollutants that could originate from a solid waste landfill.
24. 5(a)(ii)4 marksCalculate the percentage increase in solid waste deposited at landfills in Saint Lucia from 1999 to 2000.
25. 5(a)(iii)2 marksGiven Saint Lucia's population of approximately 152 000 in 1998, calculate the solid waste per capita sent to landfills in 1998.
26. 5(a)(iv)2 marksBriefly describe ONE health risk associated with excessive noise from landfill activities.
27. 5(b)(i)2 marksIdentify TWO environmental receptors for the chromium emitted by the factory.
28. 5(b)(ii)3 marksExplain whether it is necessary that these environmental receptors be situated directly in the lakes.
29. 5(b)(iii)4 marksThe two lakes supply drinking water for nearby communities. Explain how technological and legislative measures can be applied to solve the pollution issue in Lake Tranquility and Spring Lake.
30. 6(a)(i)2 marksState TWO underlying causes of pollution, other than a lack of environmental ethics.
31. 6(a)(ii)1 markDefine the term 'environmental ethics'.
32. 6(a)(iii)4 marksSuggest TWO reasons demonstrating how a lack of environmental ethics functions as an underlying cause of pollution.
33. 6(b)5 marksPresent an outline of a research project designed to determine the effectiveness of legislation introducing a deposit-refund system on plastic bottles to reduce environmental litter, indicating specifically what will be…
34. 6(c)(i)4 marksExplain why CARICOM countries would NOT want hazardous waste shipped through the Caribbean Sea.
35. 6(c)(ii)4 marksOutline the basis of the Basel and Cartagena Conventions, and use this information to indicate which convention is better suited to address the issue of hazardous waste shipment raised in the headline.