CAPE Agricultural Science Unit 1 · 2016 · Paper 2

20 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 active transport mechanism illustrated in Figure 1.
2. 1(a)(ii)6 marksDescribe the sequential events occurring at stages 1, 2, 3, 4, 5, and 6 in Figure 1.
3. 1(b)(i)1 markState the name of the photosynthetic process taking place in the stroma of the chloroplast.
4. 1(b)(ii)2 marksDistinguish between cyclic and noncyclic photophosphorylation.
5. 1(b)(iii)2 marksProvide a brief explanation of why the Calvin cycle requires ATP and CO2.
6. 1(c)(i)2 marksExplain why the rate of photosynthesis is higher in C4 plants compared to C3 plants.
7. 1(c)(ii)1 markExplain why C4 plants exhibit higher water use efficiency than C3 plants under conditions of high temperature and high light intensity.
8. 2(a)4 marksExplain two environmental benefits provided by green spaces, other than their aesthetic appearance.
9. 2(b)4 marksDescribe two factors that must be evaluated when selecting an appropriate location for establishing a rooftop garden.
10. 2(c)4 marksExplain two economic advantages associated with rooftop farming.
11. 2(d)3 marksSuggest three aesthetic benefits that residents of gated communities obtain from rooftop farms.
12. 3(a)1 markDefine what is meant by a 'transgenic organism'.
13. 3(b)4 marksExplain two disadvantages or concerns associated with genetically modified organisms (GMOs).
14. 3(c)4 marksState four advantages of using genetically modified organisms (GMOs).
15. 3(d)6 marksBriefly describe three advertising and promotional strategies suitable for introducing genetically modified foods to the Caribbean market.
16. 4(a)6 marksFor a specified branch of horticulture, name one example of an agribusiness entrepreneur in support services and one in marketing, stating two functions performed by each.
17. 4(b)9 marksUsing any three commercial greenhouse vegetable production practices as examples, explain how each can be modified to reduce production costs and enhance profitability.
18. 5(a)5 marksSuggest five ways a turfgrass playing surface enhances both player performance and the spectator experience in cricket.
19. 5(b)10 marksExplain five management and maintenance practices applied to turfgrass to maintain and enhance cricket pitch and outfield quality.
20. 615 marksDiscuss the respective contributions and roles of seed production, mist propagation, and micropropagation techniques in Caribbean agriculture.