Quelpr
4 marksSocial and Preventative Medicine

CAPE Biology Unit 2 · 2011 · Paper 2 · Question 3(b)(i)

A diagrammatic representation illustrates the replication cycle of the Human Immunodeficiency Virus (HIV).

On Figure 5 describe, using annotations on the lines provided, the events occurring at Stages 1, 2, 4, and 8.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 3(a)(i)Explain what is meant by the term 'incidence rate' as applied to diseases.[2 marks]
  2. 3(a)(ii)Draw a bar graph of the data in Table 1 for the Dominican Republic and Mexico on the provided grid.[5 marks]
  3. 3(a)(iii)Compare the trend in incidence rates for Costa Rica with that of Argentina and state TWO major differences observed.[2 marks]
  4. 3(b)(ii)State TWO distinct routes, other than sexual intercourse, by which HIV can be transmitted to human beings.[2 marks]

More practice: the rest of this paper · more Social and Preventative Medicine questions · all CAPE Biology Unit 2 past papers