CSEC Agricultural Science · May/June 2010 · Paper 2

32 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)2 marksState TWO other methods Caribbean governments can use to provide incentives to farmers.
2. 1(b)2 marksSuggest TWO other positive contributions provided by sustainable agriculture aside from reducing dependence on subsidies.
3. 2(a)2 marksList TWO contributions agriculture makes to the national economy.
4. 2(b)2 marksSuggest TWO ways the Ministry of Agriculture can support youth involved in agricultural production.
5. 3(a)2 marksExplain how water causes soil erosion.
6. 3(b)2 marksSuggest TWO conservation techniques, other than mulching and strip cropping, to reduce soil erosion.
7. 4(a)2 marksList TWO other factors that influence the germination of seeds sown in the field.
8. 4(b)(i)1 markSuggest ONE reason why seed germination is higher in new seedling trays compared to previously used trays.
9. 4(b)(ii)1 markDescribe ONE measure a student can take to enhance seed germination when using previously used seedling trays.
10. 5(a)2 marksIdentify the parts of the digestive system labelled X and Y in Figure 1.
11. 5(b)2 marksExplain ONE reason why Species B is better adapted to utilize a grass-based diet than Species A.
12. 6(a)2 marksIdentify ONE grass and ONE legume from the given list of forages.
13. 6(b)2 marksAdvise farmers on TWO management practices to carry out during the upcoming rainy season to mitigate milk production loss during subsequent dry periods.
14. 7(a)2 marksUsing price and quantity, describe what is occurring at point B in Figure 2.
15. 7(b)(i)1 markState the quantity demanded if the price of tomato rises from 2.00 to 4.00.
16. 7(b)(ii)2 marksSuggest TWO ways consumers will respond to this price increase.
17. 7(b)(iii)1 markDescribe how the farmer will most likely respond to the price increase.
18. 7(b)(iv)1 markState the quantity supplied when the price increases to $4.00.
19. 7(c)2 marksSuggest TWO measures Caribbean governments can implement to prevent tomato shortages.
20. 7(d)3 marksState the law of diminishing returns, giving an example using a farm crop.
21. 8(a)3 marksList THREE ways weeds affect crop growth and yield.
22. 8(b)(i)1 markCategorize the use of weedicides as manual, mechanical, chemical, or cultural control.
23. 8(b)(ii)2 marksGive TWO reasons why broadleaf weeds disappeared while other weeds remained after repeated herbicide applications.
24. 8(b)(iii)4 marksDescribe TWO cultural practices that can be implemented to manage weeds on the maize farm.
25. 8(b)(iv)2 marksIdentify TWO methods of mechanical weed control.
26. 9(a)(i)1 markState the incubation period for broiler eggs.
27. 9(a)(ii)1 markState the purpose of candling hatching eggs.
28. 9(a)(iii)1 markName the specific type of feed ration formulated for laying hens.
29. 9(b)2 marksIdentify ONE problem shown in the chick brooder in Figure 4 and describe how to correct it.
30. 9(c)4 marksAdvise a farmer on TWO feed management practices and TWO litter quality practices to lower chick mortality during brooding.
31. 9(d)(i)1 markIdentify the disease most likely causing bloody droppings in the poultry litter.
32. 9(d)(ii)2 marksAdvise the farmer on TWO management practices to control or correct this disease outbreak.