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5 marksImmunology

CAPE Biology Unit 2 · May/June 2021 · Paper 2 · Question 3(a)(iii)

Figure 6 represents the reactions occurring in the home pregnancy test strip.

Outline the processes which would occur in EACH labelled area in Figure 5, on page 16, if the pregnancy test is positive.

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Other parts of this question

  1. 3(a)(i)Define the term 'monoclonal antibody'.[2 marks]
  2. 3(a)(ii)Identify the areas labelled I-III in Figure 5, on page 16, where Reactions A, B and C in Figure 6 occur.[3 marks]
  3. 3(b)(i)On the grid provided on page 19, construct a bar graph based on the data provided in Table 1.[5 marks]
  4. 3(b)(ii)State TWO conclusions which can be drawn from the data in Table 1.[2 marks]
  5. 3(b)(iii)Suggest ONE measure that would be effective in reducing the prevalence of cigarette smoking.[1 mark]
  6. 3(c)Discuss THREE ways in which the nicotine in cigarette smoke can lead to the development of cardiovascular diseases.[12 marks]

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