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1 markImmunology

CAPE Biology Unit 2 · 2015 · Paper 2 · Question 3(b)(ii)

Figure 4 displays blood antibody concentration in an individual over several weeks after infection.

Explain whether the response shown in Figure 4 is likely to be a primary or secondary response to infection.

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Other parts of this question

  1. 3(a)(i)On the grid provided on page 9, plot a bar graph of the data in Table 1 using the x-axis for the time period.[5 marks]
  2. 3(a)(ii)Describe the changes in obesity levels among the age groups over time.[2 marks]
  3. 3(a)(iii)Suggest THREE possible reasons that may account for the trends described in obesity levels over time.[3 marks]
  4. 3(b)(i)Describe the antibody response shown in Figure 4.[2 marks]
  5. 3(c)Distinguish between active and passive immunity.[2 marks]

More practice: the rest of this paper · more Immunology questions · all CAPE Biology Unit 2 past papers