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CAPE Agricultural Science Unit 2 · 2015 (second paper) · Paper 2

26 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.

Practise this paper
  1. 1(a)(i)1 markState the function of ozone located in the stratosphere.
  2. 1(a)(ii)4 marksUsing TWO chemical equations, describe the natural ozone–oxygen cycle.
  3. 1(b)(i)2 marksDescribe the trend displayed in Figure 1.
  4. 1(b)(ii)3 marksExplain how chlorofluorocarbons (CFCs) contribute to the observed trend in Figure 1.
  5. 1(c)(i)1 markState the adoption date of the Montreal Protocol.
  6. 1(c)(ii)2 marksState the difference between the Montreal Protocol and the Kyoto Protocol.
  7. 1(c)(iii)1 markState the number of countries that are Parties to the Montreal Protocol.
  8. 1(c)(iv)1 markSuggest ONE benefit resulting from the global success of the Montreal Protocol.
  9. 2(a)(i)2 marksIdentify TWO benefits of reproductive efficiency in livestock.
  10. 2(a)(ii)4 marksDescribe FOUR reproductive management techniques.
  11. 2(a)(iii)3 marksIdentify the parts labelled A, B, C, D, E, and F in Figure 2 by writing the answers in the spaces provided.
  12. 2(b)(i)2 marksGive TWO reasons why an open-sided poultry house should be positioned in an east-to-west direction in the Caribbean.
  13. 2(b)(ii)4 marksOutline FOUR strategies Farmer Carlos can implement to reduce heat distress in the broilers.
  14. 3(a)(i)1 markState what is meant by 'embryo transfer'.
  15. 3(a)(ii)5 marksProvide the missing annotations for labels A, B, C, D, and E in Figure 3.
  16. 3(b)(i)3 marksOutline THREE advantages of using embryo transfer.
  17. 3(b)(ii)2 marksOutline TWO disadvantages of using embryo transfer.
  18. 3(c)4 marksDescribe TWO pricing strategies used for the marketing and sale of beef.
  19. 4(a)5 marksOutline FIVE adverse environmental effects of nitrate fertilization on an aquatic ecosystem.
  20. 4(b)10 marksExplain FIVE consequences of intensive farming on soil resources.
  21. 5(a)2 marksIdentify the internal parasite affecting the rabbits and name the causative organism.
  22. 5(b)3 marksFarmer Bunny uses a sulphur drug in the drinking water. Explain whether the rabbits will acquire immunity to this parasite and other diseases.
  23. 5(c)10 marksExplain FIVE measures Farmer Bunny should adopt to prevent disease outbreaks in the rabbitry.
  24. 6(a)4 marksSuggest TWO global trends that have fostered favorable economic conditions for expanding aquaculture.
  25. 6(b)3 marksSuggest THREE consequences of overstocking a fish pond.
  26. 6(c)8 marksDiscuss how dissolved oxygen and turbidity affect water quality in an aquaculture system.

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