CSEC Agricultural Science · 2010 (second paper) · 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 marksList TWO OTHER ways by which Caribbean governments can offer incentives to farmers.
2. 1(b)2 marksSustainable agriculture promotes the farm as a well-managed economic unit, thereby reducing farmers' dependence on subsidies. Suggest TWO OTHER positive contributions made by sustainable agriculture.
3. 2(a)2 marksList TWO contributions which agriculture can make to the national economy.
4. 2(b)2 marksSuggest TWO ways by which the Ministry of Agriculture can support young people who are involved in agricultural production.
5. 3(a)2 marksExplain how water causes soil erosion.
6. 3(b)2 marksMulch, when used as a soil erosion control method, harbours pests, whereas conservation techniques such as strip cropping do not. Suggest TWO OTHER conservation techniques that can be used to reduce soil erosion.
7. 4(a)2 marksList TWO OTHER factors which affect the germination of seeds planted in the field.
8. 4(b)(i)1 markIn an experiment, a student observes that seed germination is higher in new, unused seedling trays than in trays previously used. Suggest ONE reason that may account for this observation.
9. 4(b)(ii)1 markDescribe ONE measure the student can undertake to improve the germination of seeds sown in seedling trays which have been previously used.
10. 5(a)2 marksState the names of the parts of the digestive tract labelled X and Y respectively in Figure 1.
11. 5(b)2 marksA farmer feeds Species B a ration consisting mainly of grass. Give ONE reason why Species B will be better able to utilize this feed.
12. 6(a)2 marksName ONE legume and ONE grass from the list of forages provided.
13. 6(b)2 marksThe decrease in forage production during a prolonged dry period resulted in a 20% reduction in milk production. Advise farmers on TWO measures which should be taken during the next rainy season to correct this problem.
14. 7(a)2 marksUsing price and quantity, explain what is happening at point B of Figure 2.
15. 7(b)(i)1 markIf the price of tomato increases from 2.00 to 4.00, what will be the quantity demanded?
16. 7(b)(ii)2 marksIf the price of tomato increases from 2.00 to 4.00, suggest TWO ways by which the consumer will respond to the increase in price.
17. 7(b)(iii)1 markIf the price of tomato increases from 2.00 to 4.00, how will the farmer MOST likely respond?
18. 7(b)(iv)1 markIf the price of tomato increases from 2.00 to 4.00, what will be the quantity supplied?
19. 7(c)2 marksSuggest TWO measures which Caribbean governments can take to prevent the scarcity of tomato.
20. 7(d)3 marksState the law of diminishing returns, using an example of a crop grown on a farm.
21. 8(a)3 marksList THREE ways by which weeds can affect the growth and yield of crops.
22. 8(b)(i)1 markFarmer Dillon cultivates maize on a two-hectare plot and controls weed growth with a locally available weedicide. Categorize weedicide use as either manual, mechanical, chemical or cultural control.
23. 8(b)(ii)2 marksAfter continued use of the weedicide, broad leaf weeds disappeared but other weeds persisted. Give TWO likely reasons for this observation.
24. 8(b)(iii)4 marksDescribe TWO cultural practices Farmer Dillon can use on his farm to control weed growth.
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 markWhat is the purpose of candling hatching eggs?
28. 9(a)(iii)1 markName the specific type of ration fed to hens that are laying.
29. 9(b)2 marksFigure 4 shows one-day-old chickens in a brooding area. Identify ONE problem shown in Figure 4 and suggest how the problem could be corrected.
30. 9(c)4 marksA new poultry farmer lost many birds during the brooding period and believes feed and litter quality were inadequate. Advise him on how to manage his birds during this period, including TWO practices for feed and TWO…
31. 9(d)(i)1 markThe farmer also observed bloody droppings in the litter. Identify the disease MOST likely affecting the birds.
32. 9(d)(ii)2 marksAdvise the farmer on TWO management practices to correct the problem of bloody droppings in the litter.