CSEC Agricultural Science · May/June 2012 · Paper 2

36 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)1 markIdentify the agricultural career associated with a person who advises farmers on crop and livestock management.
2. 1(a)(ii)1 markIdentify the agricultural career associated with a person who treats diseases in livestock.
3. 1(b)(i)1 markSuggest ONE way in which biotechnology can improve crop production to address regional food shortages.
4. 1(b)(ii)1 markSuggest ONE way in which biotechnology can improve livestock production to address regional food shortages.
5. 2(a)2 marksIdentify X and Y in Figure 1.
6. 2(b)(i)1 markSuggest the first of TWO strategies that a farmer can use to make money from surplus sorrel crop during January oversupply.
7. 2(b)(ii)1 markSuggest the second of TWO strategies that a farmer can use to make money from surplus sorrel crop during January oversupply.
8. 3(a)1 markWhat is meant by the term 'pH'?
9. 3(b)1 markState on whose plot of land the soil is MORE acidic.
10. 3(c)1 markSuggest ONE reason that may account for the difference in soil pH between the two plots of land.
11. 3(d)1 markRecommend ONE soil management practice that can be used to increase the productivity of acidic soils.
12. 4(a)1 markWhat is meant by the term 'soil erosion'?
13. 4(b)2 marksWhat is the relationship between burning and soil erosion as indicated in Table 1?
14. 4(c)1 markName ONE soil management practice that can be used to reduce soil erosion.
15. 5(a)(i)1 markName the ration that is fed to the chicks at two weeks of age.
16. 5(a)(ii)1 markName the ration that is fed to the chicks at five weeks of age.
17. 5(b)2 marksSuggest a reason for the difference in the way the chicks are distributed in Situation A and in Situation B shown in Figure 2.
18. 6(a)2 marksState TWO advantages of artificial insemination (AI) in farm animals.
19. 6(b)2 marksWhich is the better reproductive technique for producing goats over the months of October to December? Give ONE reason for your answer.
20. 7(a)(i)1 markDefine the term 'Working capital'.
21. 7(a)(ii)1 markDefine the term 'Fixed capital'.
22. 7(a)(iii)1 markDefine the term 'Subsidy'.
23. 7(b)(i)3 marksSuggest THREE benefits that the tractor will bring to the rural community.
24. 7(b)(ii)3 marksSuggest THREE additional incentives the government can provide to further improve agriculture in this community.
25. 7(c)3 marksComplete the loan application form by writing THREE requirements that a farmer needs in order to qualify for a loan from a commercial bank.
26. 8(a)(i)1 markBriefly describe the manual method of controlling pests and diseases in agriculture.
27. 8(a)(ii)1 markBriefly describe the mechanical method of controlling pests and diseases in agriculture.
28. 8(a)(iii)1 markBriefly describe the chemical method of controlling pests and diseases in agriculture.
29. 8(b)(i)3 marksState THREE conclusions that can be drawn from the information in Table 3.
30. 8(b)(ii)3 marksSuggest THREE OTHER methods that can be used to control white flies in tomato production.
31. 8(c)3 marksSuggest THREE possible reasons why the seeds had to be destroyed by the Plant Quarantine Officer.
32. 9(a)3 marksName THREE ingredients that can be used in making livestock feeds.
33. 9(b)(i)2 marksCalculate the average FCR over the four weeks on the sand and wood shavings litter systems.
34. 9(b)(ii)2 marksWhich is the better system of rearing broilers? Suggest ONE reason for your answer.
35. 9(b)(iii)2 marksExplain ONE possible effect of EACH of the two systems on the health of the broilers.
36. 9(b)(iv)3 marksSuggest THREE OTHER management practices that can affect the performance of broilers up to market age.