CAPE Environmental Science Unit 2 · 2004 · Paper 1

25 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. 16 marksOutline THREE roles of agriculture in the economies of Caribbean countries.
2. 2(a)3 marksIdentify THREE types of agricultural systems in the Caribbean.
3. 2(b)6 marksOutline TWO characteristics of EACH agricultural system identified in (a).
4. 3(a)1 markState the trend observed in Figure 1.
5. 3(b)3 marksSuggest THREE factors other than erosion that may have been responsible for causing this soil degradation.
6. 3(c)3 marksExplain the cause of any ONE of the factors from (b).
7. 4(a)2 marksExplain what is meant by 'agroforestry'.
8. 4(b)6 marksOutline THREE reasons why agroforestry is suitable as an environmentally sustainable practice in Caribbean agricultural systems.
9. 5(a)2 marksa non-renewable energy resource
10. 5(b)2 marksa form of potential energy
11. 5(c)2 marksan energy source derived from solar energy.
12. 6(a)2 marksDistinguish between 'nuclear fission' and 'nuclear fusion'.
13. 6(b)6 marksSuggest THREE reasons why nuclear energy is NOT an appropriate alternative source of energy for Caribbean countries.
14. 7(a)2 marksWhat is cogeneration?
15. 7(b)3 marksDescribe how cogeneration is used.
16. 7(c)4 marksState TWO advantages of a cogeneration system.
17. 8(a)4 marksExplain which of the TWO factors is the more significant one.
18. 8(b)3 marksSuggest an alternative approach to supply electricity to these areas that will address the more significant factor identified in (a).
19. 96 marksA 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…
20. 10(a)5 marksOutline the mechanism by which photochemical smog is formed.
21. 10(b)4 marksIs photochemical smog a threat to the countries in the Caribbean region? Outline the reason for your answer.
22. 116 marksConcentration 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.
23. 12(a)4 marksSuggest TWO reasons for the change in dissolved oxygen concentration observed beyond 20 km.
24. 12(b)3 marksOutline ONE process that has caused the change in dissolved oxygen concentration.
25. 12(c)2 marksWhat is the likely effect on organisms inhabiting the river between 40 km and 100 km?