CAPE Environmental Science Unit 2 · 2005 · Paper 2

34 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)5 marksOutline ONE environmental problem resulting from agricultural practices in a NAMED Caribbean country.
2. 1(b)5 marksBased on your response to (a) above, explain the importance of agricultural sustainability in Caribbean societies.
3. 1(c)10 marksDescribe TWO environmentally sustainable agricultural practices. Make clear in your description why EACH is considered sustainable.
4. 2(a)12 marksDescribe THREE technological applications in agricultural systems in the Caribbean.
5. 2(b)8 marksDiscuss TWO positive and TWO negative impacts resulting from the use of technological applications in agricultural systems.
6. 3(a)4 marksDistinguish between 'chemical pest control' and 'biological pest control'.
7. 3(b)8 marksDiscuss ONE advantage and ONE disadvantage of chemical pest control.
8. 3(c)8 marksExplain the concept of Integrated Pest Management and why you would recommend its adoption by your country.
9. 4(a)3 marksState THREE inferences that can be drawn from Figure 1.
10. 4(b)8 marksDiscuss TWO constraints faced by non-oil producing Caribbean countries in satisfying the energy demands of their population.
11. 4(c)(i)4 marksExplain the process of cogeneration.
12. 4(c)(ii)5 marksDo you agree with the suggestion of using cogeneration to address the changing energy demand depicted in Figure 1? Justify your answer.
13. 5(a)2 marksDistinguish between 'nuclear fission' and 'nuclear fusion'.
14. 5(b)4 marksWrite the equation for the nuclear fission process used in nuclear reactors.
15. 5(c)5 marksExplain how electrical energy is generated in a nuclear reactor.
16. 5(d)9 marksDiscuss THREE issues that could be of concern to a Caribbean country that is considering the use of nuclear fission for generating electricity.
17. 6(a)4 marksDistinguish between 'energy conservation' and 'energy efficiency.'
18. 6(b)4 marksExplain the concept of energy-efficient buildings.
19. 6(c)(i)4 marksState FOUR ways in which the concept of energy-efficient buildings can be applied to lighting in the Caribbean.
20. 6(c)(ii)4 marksState FOUR ways in which the concept of energy-efficient buildings can be applied to maintaining comfortable indoor temperature in the Caribbean.
21. 6(d)4 marksExplain how any ONE of your normal activities can be modified to conserve energy.
22. 7(a)2 marksSuggest TWO pollutants other than volatile organic compounds that may be emitted from the stack.
23. 7(b)4 marksState FOUR environmental receptors of ANY pollutant indicated in (a) above.
24. 7(c)5 marksOutline the impact of ANY ONE of the pollutants identified in (a) on ONE of the environmental receptors identified in (b) above.
25. 7(d)9 marksDescribe how scrubbers and electrostatic precipitators can decrease the quantity of emissions from the factory.
26. 8(a)4 marksExplain what is meant by the term 'hazardous waste'. In your explanation, identify ONE example and the source of this type of waste in the Caribbean.
27. 8(b)6 marksDefine THREE categories of hazardous waste in terms of the impact of EACH on human beings.
28. 8(c)4 marksOutline FOUR considerations when planning for the disposal of hazardous waste.
29. 8(d)6 marksDescribe an appropriate method for the disposal of hazardous waste in a Caribbean country.
30. 9(a)3 marksWhat are 'pathogens'? Include ONE example of a pathogen in your response.
31. 9(b)3 marksIdentify an agricultural source of pathogens and outline its environmental pathway from this source to water bodies.
32. 9(c)11 marksOutline a wastewater treatment process that removes pathogens and nutrients.
33. 9(d)(i)2 marksWhat are 'effluent discharge regulations'?
34. 9(d)(ii)1 markState how effluent discharge regulations protect water quality.