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CAPE Biology Unit 1 · 2013 · Paper 1

45 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.

Practise this paper
  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 choiceWhich of the following is NOT a polymer?
  3. Q31 mark · multiple choiceSucrose is a good transport molecule as seen in phloem tissue because it is a
  4. Q41 mark · multiple choiceA gram of olive oil stores more than twice as much energy as a gram of starch. This is because olive oil
  5. Q51 mark · multiple choiceDuring hydrolysis of the protein structure shown above, which of the following bonding interactions is broken?
  6. Q61 mark · multiple choiceWhich of the following occurs in the tertiary structure but NOT in the primary structure of a protein?
  7. Q71 mark · multiple choiceWhat is the HIGHEST level of protein structure exhibited by haemoglobin?
  8. Q81 mark · multiple choiceA student's plan drawing of the TS of a dicotyledonous stem seen under low power is shown below. The actual diameter of the stem is 10\text{ mm}. What is the magnification of the drawing?
  9. Q91 mark · multiple choiceWhich of the following is NOT likely to be seen in an electron micrograph of a plant cell?
  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 choiceFour cylinders of equal mass are cut from a single potato. One cylinder is placed in distilled water and the others in 0.2 M, 0.4 M and 0.8 M sucrose solution respectively. Each cylinder is weighed at ½ hour intervals…
  13. Q131 mark · multiple choiceWhich of the following can be deduced from the information in the graph above?
  14. Q141 mark · multiple choiceWhich of the structures A, B, C or D is important for cell to cell recognition?
  15. Q151 mark · multiple choiceAccording to the endosymbiotic theory, organelles such as chloroplasts and mitochondria may have evolved from prokaryotic organisms. Which of the following is NOT a line of evidence in support of this theory?
  16. Q161 mark · multiple choiceWhich of the following diagrams illustrates the semi-conservative method of replication of DNA?
  17. Q171 mark · multiple choiceA guinea pig with black, smooth hair (Bbrr) is crossed with a guinea pig with white rough hair (bbRr). What is the probability that an offspring will have white, smooth hair?
  18. Q181 mark · multiple choiceA gene can be regarded as a specific length of DNA which occupies a position on a chromosome called
  19. Q191 mark · multiple choiceOne role of transfer RNA in protein synthesis is to
  20. 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…
  21. Q211 mark · multiple choiceWhich of the following processes are occurring at A and B?
  22. Q221 mark · multiple choiceWhich of the following is the genotype of one of the recombinants?
  23. Q231 mark · multiple choiceIn gene mutation, the replacement of one nucleotide with another containing a different base is termed
  24. Q241 mark · multiple choiceEnvironmental factors that keep populations in check are called selection pressures. Which of the following is LEAST likely to be an example of selection pressure?
  25. Q251 mark · multiple choiceWhich of the following identifies the correct sequence of the process? 1 Potential difference applied. 2 Cut by restriction enzymes. 3 DNA extracted from cell. 4 Fragments travel to anode. 5 ^{32}\text{P} probe…
  26. Q261 mark · multiple choiceA possible benefit of producing transgenic plants is
  27. Q271 mark · multiple choiceFemales with only one X chromosome have a condition called Turner Syndrome. This is as a result of
  28. Q281 mark · multiple choiceGiraffes are thought to have evolved long necks due to a short supply of food. Selection pressure favoured those with long necks who were able to reach enough food to survive. This type of selection is known as
  29. Q291 mark · multiple choiceWhich type of isolation plays the MOST significant role in allopatric speciation?
  30. Q301 mark · multiple choiceFrom the position and shape of the chromosomes, what stage of mitosis has been reached?
  31. Q311 mark · multiple choiceWhich of the following accurately lists the type of cell division occuring at E, F and G?
  32. Q321 mark · multiple choiceWhich of the following are advantages of cross pollination? I. No need for another plant. II. Increases vigour. III. Widens gene pool. IV. Does not lose advantageous phenotypes.
  33. Q331 mark · multiple choiceWhich of the following is formed during pollen grain development?
  34. Q341 mark · multiple choiceWhich of the following describes protogyny?
  35. Q351 mark · multiple choiceA horticulturalist has bred a Hibiscus variety which bears violet flowers. Which method of propagation would be MOST appropriate for rapid production of a large number of clonal plants?
  36. Q361 mark · multiple choiceWhich of the following occur in asexual reproduction ONLY?
  37. Q371 mark · multiple choiceA diploid nucleus is formed at
  38. Q381 mark · multiple choiceWhich row in the table shows the CORRECT chromosome number for the structures indicated? | | n | 2n | 3n | |---|---|---|---| | (A) | Pollen tube nucleus | Cotyledon | Endosperm | | (B) | Pollen tube nucleus | Endosperm…
  39. Q391 mark · multiple choiceWhich of the following hormones regulates the precise timing of ovulation?
  40. Q401 mark · multiple choiceWhich of the following correctly identifies the structures labelled P and Q?
  41. Q411 mark · multiple choiceHow does a secondary oocyte differ from the ovum?
  42. Q421 mark · multiple choiceHuman spermatozoa have to spend several hours in the female genital tract before they can fertilize an oocyte. During this time, they are activated in a process called
  43. Q431 mark · multiple choiceThe structure labelled H is MOST likely
  44. Q441 mark · multiple choiceIn which of the following are the stages in the correct order?
  45. Q451 mark · multiple choiceDuring the development of a foetus in the womb, the uterus wall consists of the muscle of the uterus wall and the

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