CAPE Biology Unit 1 · 2011 · 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 choiceWhich of the following BEST describes the properties of water? | | Latent Heat of Vaporization | Specific Heat Capacity | Surface Tension | |---|---|---|---| | (A) | Low | Low | High | | (B) | High | High | Low | | (C)…
2. Q21 mark · multiple choiceItem 2 refers to the diagram below which shows a ring structure of glucose. Which of the following indicates the form of glucose and the molecule in which it is present?
3. Q31 mark · multiple choiceTriglycerides are excellent sources of energy for the body because of their I. large size II. ability to insulate III. large number of C-C bonds IV. insolubility in water
4. Q41 mark · multiple choiceItem 4 refers to the following information. Samples of a solution containing carbohydrates are treated as follows: | Sample | Treatment | Result | |---|---|---| | 1. | Benedict's Reagent | No colour change | | 2. |…
5. Q51 mark · multiple choiceItem 5 refers to the following diagram of a protein structure. During breakdown (hydrolysis) of the protein structure shown above, which of the following types of bonds is broken?
6. Q61 mark · multiple choiceItem 6 refers to the structures below which show two isomers of glucose. Which of the following statements is NOT true about both isomers?
7. Q71 mark · multiple choiceItems 7 - 8 refer to the diagram below representing the structure of an animal cell as seen under an electron microscope. The structure labelled X is an important site for the
8. Q81 mark · multiple choiceWhich of the following structures, present in this cell, would NOT be seen in a bacterial cell?
9. Q91 mark · multiple choiceIn microscopy, the term 'resolution' is used to describe the
10. Q101 mark · multiple choiceWhich of the following are characteristics of prokaryotic cells? I. DNA is not associated with histone protein. II. Ribosomes are small (70 S type). III. Cellulose cell wall is present. IV. Cells are typically 5 - 10…
11. Q111 mark · multiple choiceWhich of the following correctly describes the importance of cholesterol in a cell membrane?
12. Q121 mark · multiple choiceWhich of the following events does NOT involve the movement of ions/chemicals across cell membranes?
13. Q141 mark · multiple choiceItem 14 refers to the diagram below which shows a plasma membrane. The diagram above BEST demonstrates
14. Q151 mark · multiple choiceItem 15 refers to the diagram below which shows the effect of increasing substrate concentration on the rate of an enzyme-catalysed reaction. Which of the labelled curves BEST represents the presence of a competitive…
15. Q161 mark · multiple choiceWhich of the following statements are true for chromatin but NOT for chromosomes? I. Contain DNA II. Contain protein III. Compact, tightly coiled structures IV. Loosely coiled, long threads
16. Q171 mark · multiple choiceWhich of the following gives the correct sequence of events in the replication of DNA? I. Bonds between complementary bases break. II. Bonds between complementary bases form. III. Opposite strands separate. IV. Free…
17. Q181 mark · multiple choiceItem 18 refers to the diagram below showing part of a DNA molecule. Which of the following correctly identifies the sequence of bases of the mRNA strand produced during transcription?
18. Q191 mark · multiple choiceOne role of transfer RNA in protein synthesis is to
19. Q201 mark · multiple choiceWhich two of the following features are evident during mitosis? I. Two daughter nuclei containing identical sets of chromosomes. II. Homologous chromosomes come together and crossing over occurs. III. Four daughter…
20. Q211 mark · multiple choiceWhich of the following is NOT characteristic of meiosis?
21. Q221 mark · multiple choiceItem 22 refers to the diagram below showing a pair of homologous chromosomes during Prophase I of meiosis. Which of the following is the genotype of one of the recombinants?
22. Q231 mark · multiple choiceWhen a cross was made between a purebreeding pea plant with green, round seeds and a purebreeding plant with yellow, wrinkled seeds, all of the \text{F}_1 progeny had yellow round seeds. Which of the following ratios…
23. Q241 mark · multiple choiceA null hypothesis is BEST described as a hypothesis which
24. Q251 mark · multiple choiceItem 25 refers to the following stages used in the process of genetic engineering. 1. Potential difference applied. 2. Cut by restriction enzymes. 3. DNA extracted from cell. 4. Fragments travel to anode. 5.…
25. Q261 mark · multiple choiceThe function of DNA ligase in genetic engineering is to
26. Q271 mark · multiple choiceMeiosis contributes to heritable variation as a result of I. random fusion of gametes during fertilisation II. independent assortment III. crossing over IV. homologous pairing of chromosomes
27. Q281 mark · multiple choiceThe phenotype of an organism is BEST explained as those visible characteristics that
28. Q291 mark · multiple choiceBoth Pinus radiata and Pinus attenuata occupy the same habitat. However, Pinus radiata flowers in February while Pinus attenuata flowers in April. What type of isolating mechanism does this exemplify?
29. Q301 mark · multiple choiceItem 30 refers to the following diagram showing one stage of mitotic cell division. From the position and shape of the chromosomes, what stage of mitosis has been reached?
30. Q311 mark · multiple choiceItem 31 refers to the following diagram which shows the stages of spermatogenesis in a mammal. Which of the following accurately lists the type of cell division occuring at E, F and G?
31. Q321 mark · multiple choiceThe following are advantages of two types of pollination. I. No need for another plant II. Increases vigour III. Widens gene pool IV. Does not lose advantageous phenotypes Which of the above are specific to cross…
32. Q331 mark · multiple choiceWhich of the following options correctly describes the chromosome number in the named plant structures?
33. Q341 mark · multiple choiceItem 34 refers to the diagram below showing the transverse section of an anther. The structure labelled Y is the
34. Q351 mark · multiple choiceIn some plants the androecium matures before the gynoecium. Such plants are described as
35. Q361 mark · multiple choiceWhen a pollen grain alights on the stigma and starts to grow, the first action is that
36. Q371 mark · multiple choiceIn plants the ovary is BEST described as the
37. Q381 mark · multiple choiceWhich of the following measurements is closest to the diameter of a mature human ovum?
38. Q391 mark · multiple choiceItem 39 refers to the diagram below showing the stages in the development of a follicle in a human ovary. Which of the following is the correct description of events occuring at X?
39. Q401 mark · multiple choiceItem 40 refers to the following diagram which shows the structure of the secondary oocyte. Which of the following correctly identifies the structures labelled P and Q?
40. Q411 mark · multiple choiceHow does a secondary oocyte differ from the ovum?
41. Q421 mark · multiple choiceDuring the development of a foetus in the womb, the wall of the uterus consists of a layer of muscle and the
42. Q441 mark · multiple choiceItem 44 refers to the following diagram which shows the stages in the development of one follicle in a human ovary. In which of the following are the stages in the correct order?
43. Q451 mark · multiple choiceItem 45 refers to the diagram below which shows a longitudinal section through an ovule of an angiosperm. The role of Y is to