CAPE Biology Unit 2 · 2012 · Paper 1

43 multiple-choice items from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.

1. Q11 mark · multiple choiceRibulose biphosphate carboxylase can be found in region
2. Q21 mark · multiple choiceWhich of the stages labelled I - IV on the diagram represents the stage at which carbon dioxide is incorporated into the cycle?
3. Q31 mark · multiple choiceWhich of the following combinations correctly describes the MAIN factors affecting the rate of photosynthesis? I. Light intensity and temperature II. Carbon dioxide concentration and state of the stomata III. NAD and…
4. Q41 mark · multiple choiceThe yield of greenhouse crops is higher than that of field crops, due to increased photosynthetic activity by the plants. Which of the following factors may contribute to this? I. Constant application of farmyard…
5. Q51 mark · multiple choiceWhich of the following correctly identifies the regions labelled P and Q?
6. Q61 mark · multiple choiceIn muscle tissue undergoing strenuous contractions, the formation of lactate is due to the
7. Q71 mark · multiple choiceWhich of the following statements explain why the apparatus is left in the water for five minutes before readings are taken? I. To allow water to fill the capillary tube. II. To stabilise the pressure of the apparatus.…
8. Q81 mark · multiple choiceIn anaerobic respiration, the maximum number of ATP molecules that may be produced from a molecule of glucose is
9. Q91 mark · multiple choiceAt which of the following stages is the MOST energy lost?
10. Q101 mark · multiple choiceWhich of the following food chains would MOST likely create the pyramid of numbers represented above?
11. Q111 mark · multiple choiceThe two MAIN products of oxidative phosphorylation in the mitochondrion are
12. Q121 mark · multiple choiceWhich of the following describes an ecosystem?
13. Q131 mark · multiple choiceThe number and range of different species found in an ecosystem are called its
14. Q141 mark · multiple choiceWhich of the following statements describes the function of denitrifying bacteria in the nitrogen cycle?
15. Q151 mark · multiple choiceWhich of the following are true about biodiversity? I. Variety of species on earth. II. Can be defined at the genetic level. III. May be defined at the ecosystem level. IV. Relates only to endangered species.
16. Q161 mark · multiple choiceThe Casparian strip is found in the layer labelled
17. Q181 mark · multiple choiceIn which direction would there be a NET flow of water?
18. Q191 mark · multiple choiceWhich labelled part is living but lacks a nucleus?
19. Q201 mark · multiple choiceWhich of the following statements is true according to the mass (pressure) flow hypothesis?
20. Q211 mark · multiple choiceThe structure labelled X is
21. Q231 mark · multiple choiceWhich of the following structures must be stimulated to increase heart rate?
22. Q241 mark · multiple choiceThe inferior vena cava is labelled as
23. Q251 mark · multiple choiceThe result of an increase in insulin production is
24. Q261 mark · multiple choiceBananas produced in the Caribbean are exported to markets all over the world. The bananas are harvested mature but still green, yet must arrive at the markets ready to eat. Which of the following procedures ensures that…
25. Q271 mark · multiple choiceWhich of the following structural features prevents molecules, with a molecular mass greater than 68 000, passing from the glomerular capillaries into Bowman's capsule?
26. Q281 mark · multiple choiceThe speed of transmission of a nerve impulse is affected by the
27. Q291 mark · multiple choiceWhere is acetylcholine stored and secreted?
28. Q301 mark · multiple choiceWhich region assists in speeding up the conduction of nerve impulses?
29. Q311 mark · multiple choiceAIDS is caused by a
30. Q321 mark · multiple choiceWhich of the following diseases is MOST appropriately matched to its category?
31. Q331 mark · multiple choiceWhich of the following correctly identifies the structure labelled Y?
32. Q341 mark · multiple choiceWhich of the following statements is NOT an explanation of the way in which antibodies work to protect the body from pathogens?
33. Q351 mark · multiple choiceWhich of the following are common uses of monoclonal antibodies? I. Prevention of transplant rejection II. Early diagnosis of cholera III. Tissue typing for transplants IV. Pregnancy testing
34. Q361 mark · multiple choiceWhich of the following immunoglobulins is/are important in the body's first response to an antigen?
35. Q371 mark · multiple choiceThe types of immunity being investigated are
36. Q381 mark · multiple choiceWhich of the following is NOT a reason why energy requirements differ in people from birth to old age?
37. Q391 mark · multiple choiceA runner prepares for six months to run a marathon by exercising for three hours daily. This MOST likely results in an increase in I. cardiac output II. tidal volume III. muscle size IV. blood pressure
38. Q401 mark · multiple choiceFatty deposits in arteries can contribute to strokes and heart disease. This condition is called
39. Q411 mark · multiple choiceWhich of the following correctly identifies the causative agent and the mode of transmission of dengue fever?
40. Q421 mark · multiple choiceAfter regular consumption of alcohol, fat accumulates in the liver. Which of the following provides an explanation for this?
41. Q431 mark · multiple choiceWhich of the following BEST describes tolerance, a form of physical drug dependence?
42. Q441 mark · multiple choiceIt is believed that tar in cigarette smoke causes
43. Q451 mark · multiple choiceWhich of the following interventions would be appropriate to include in an AIDS prevention programme?