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November key - Biology 12 November 2002 Provincial...

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0211bik - 1 - December 9, 2002 Biology 12 November 2002 Provincial Examination A NSWER K EY / S CORING G UIDE C URRICULUM : Organizers Sub-Organizers 1. Cell Biology 2. Cell Processes and Applications 3. Human Biology A, B, C, D E, F, G, H I, J, K, L, M, N, O, P Part A: Multiple Choice Q K C S CO PLO Q K C S CO PLO 1. A U 1 1, 2 A1, 3; E1 26. A U 1 3 K1 2. A U 1 1 A1, 3 27. C K 1 3 K2 3. C H 1 1, 2 A2, 3, 1; E1 28. C K 1 3 L1 4. A U 1 1, 2 A1, 3; G3 29. A K 1 3 L1 5. A U 1 1 B1 30. A H 1 3 L1, 7, 8 6. B K 1 1 B3 31. B K 1 3 L2 7. B H 1 1 C1, 5, 2 32. A U 1 3 L4, 5 8. C K 1 1, 3 C5; I2 33. B U 1 3 M4 9. C U 1 1 D2 34. C K 1 3 M2 10. B K 1 2 F1 35. D H 1 3 M3 11. A K 1 2 F2 36. C U 1 3 N2 12. C U 1 2, 3 F4, 5; J11 37. B U 1 3 N5; O4; P6, 10 13. A U 1 2, 3 G1; M3 38. B K 1 3 O1 14. A U 1 2 G1, 3 39. B U 1 3 O2 15. B H 1 2 G6, 7 40. D U 1 3 O2 16. A U 1 2 G3, 6, 7 41. C H 1 3 O3, 1, 2 17. A U 1 2 G6, 7 42. D H 1 3 O4, 5 18. C U 1 2, 3 H6; I2 43. D K 1 3 O4, 2 19. C H 1 2 H6; G7 44. D U 1 3 P1, 3 20. D U 1 2 H6, 1 45. D U 1 3 P2 21. A H 1 3 I5; O2 46. C U 1 3 P4 22. A K 1 3 J5 47. B H 1 3 P5, 6, 1 23. B H 1 3 J5; K1; L7, 8 48. B U 1 3 P6; N5 24. D U 1 3 J9; L8 49. D U 1 3 P7 25. D H 1 3 J12 50. A H 1 3 P11 Multiple Choice = 50 marks
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0211bik - 2 - December 9, 2002 Part B: Written Response Q B C S CO PLO 1. 1 K 6 1 A1; B2; C8 2. 2 U 3 1 D5 3. 3 U 4 2 E1 4. 4 U 4 2 H3, 1, 6 5. 5 U 9 3 I1, 2, 4, 5, 7 6. 6 U 5 3, 2 K1, 3, 4, 6; L6; G7 7. 7 H 3 3 J9, 11, 8 8. 8 U 3 3 J12 9. 9 U 6 3 N4 10. 10 K 3 3 O1, 2 11. 11 U 4 3 P9, 10, 12 Written Response = 50 marks Multiple Choice = 50 (50 questions) Written Response = 50 (11 questions) E XAMINATION T OTAL = 100 marks L EGEND : Q = Question Number B = Score Box Number S = Score K = Keyed Response C = Cognitive Level CO = Curriculum Organizer PLO = Prescribed Learning Outcome
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0211bik - 3 - December 9, 2002 PART B: WRITTEN RESPONSE Value: 50 marks Suggested Time: 75 minutes 1. Give two functions of each of the following. water: (2 marks) • solvent • lubricant • hydrolysis temperature regulator any two for 1 mark each lipids: (2 marks) digestion of macro molecules steroids / hormones membrane component long-term energy source thermal insulation as fats padding for organs as fats myelin sheath on neurons specific example (destruction of tadpole tails or webbed fingers in human embryos) recycle molecular content inside cell any two for 1 mark each lysosome: (2 marks) intracellular digestion autolysis / autodigestion digestion of food vacuoles digestion of macromolecules recycle molecular content inside cell digestion of worn-out cell organelles hydrolysis of macrophages (granular leukocytes) specific example (destruction of tadpole tails or webbed fingers in human embryo) any two for 1 mark each
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0211bik - 4 - December 9, 2002 2.
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