CAPE Environmental Science Unit 2 · 2005 · Paper 1

30 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)3 marksList THREE distinct types of agricultural systems found in the Caribbean.
2. 1(b)4 marksFor ANY TWO of the agricultural systems listed in (a), state TWO characteristics of EACH.
3. 2(a)(i)2 marksOutline TWO positive environmental consequences of deforestation in Table 1.
4. 2(a)(ii)2 marksOutline TWO negative environmental consequences of deforestation in Table 1.
5. 2(b)(i)2 marksOutline TWO positive environmental consequences of using artificial fertilisers containing nitrogen compounds in Table 1.
6. 2(b)(ii)2 marksOutline TWO negative environmental consequences of using artificial fertilisers containing nitrogen compounds in Table 1.
7. 3(a)3 marksExplain what is meant by the term 'hydroponics'.
8. 3(b)4 marksOutline TWO reasons why hydroponics is considered a sustainable agricultural practice.
9. 48 marksDescribe TWO ways in which agriculture impacts on the lifestyle of Caribbean people.
10. 5(a)1 markDefine the term 'energy'.
11. 5(b)(i)3 marksOutline ONE social dependence of Caribbean societies on a NAMED form of energy.
12. 5(b)(ii)3 marksOutline ONE economic dependence of Caribbean societies on a NAMED form of energy.
13. 6(a)2 marksExplain what is meant by the term 'renewable energy source'.
14. 6(b)(i)1 markState which renewable source of energy is MOST suitable for use in your country.
15. 6(b)(ii)1 markGive ONE reason for your answer to (b)(i).
16. 6(c)4 marksSuggest TWO reasons why the renewable energy source identified in 6(b) is not being used more effectively in your country.
17. 76 marksIt is suggested that the cost to a society of using fossil fuels is more than the money paid to purchase the fuel and generate energy. Do you agree with this statement? Justify your answer.
18. 8(a)3 marksWrite an appropriate annotated label for EACH of the features A, B, and C in Figure 1.
19. 8(b)6 marksState THREE advantages and THREE disadvantages of a photovoltaic cell as a source of energy.
20. 9(a)2 marksDefine the term 'pollution'.
21. 9(b)(i)3 marksOutline how population growth may increase environmental pollution.
22. 9(b)(ii)3 marksOutline how economic development may increase environmental pollution.
23. 10(a)2 marksHow can sound become a pollutant?
24. 10(b)4 marksList FOUR impacts of sound pollution on human beings.
25. 11(a)2 marksState TWO other types of readings or parameters that could have been obtained to determine the water quality of the river.
26. 11(b)4 marksExplain the significance of the BOD value of 5 mg/l given.
27. 11(c)2 marksState TWO sources of water pollutants that cause high BOD.
28. 11(d)1 markState ONE environmental impact of high BOD values in water.
29. 12(a)3 marksWhat is the 'Montreal Protocol'?
30. 12(b)4 marksDespite the Montreal Protocol, no immediate change is expected in the problem the Protocol addressed. State TWO reasons for this.