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CIE iGCSE Co-Ordinated Science B10. Diseases and immunity Exam Style Questions Paper 1

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Question

The graph shows the change in number of new HIV infections and deaths from AIDS between 1990 and 2014.

What does the graph show?

  1. The number of new HIV infections fell after condom use was promoted.
  2. The use of anti-HIV drugs has led to a decrease in deaths from AIDS.
  3. The highest rate of deaths from AIDS occurred in 1995.

A. 1 and 2 only
B. 3 only
C. 1, 2 and 3
D. 2 only

▶️ Answer/Explanation
The graph gives no information about condom promotion, so statement 1 cannot be concluded.
Deaths from AIDS fall after anti-HIV drugs are introduced, supporting statement 2, while deaths actually peak later than 1995, so statement 3 is false.
✅ Answer: (D)
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