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CAIE A-Level Biology AS P3.7 Interpreting Data and Observations Questions

Use complete AS questions to extract values, identify molecules, describe supported trends, qualify conclusions and compare observable cell features precisely.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • Identify an unknown biological molecule by matching each recorded test observation to the expected positive and negative colour or emulsion result.
  • Read a graph, chart or table accurately to extract a category, threshold, difference or unknown value, showing calculation and units when required.
  • Describe and compare patterns, trends and relationships with correct direction, phases, rates and paired numerical evidence rather than listing isolated values.
  • Use only the presented evidence to judge a conclusion, distinguish correlation from causation, identify exceptions or anomalies, and comment on limitations that affect confidence.
  • Compare visible features in a slide or photomicrograph using matched statements about size, shape, arrangement, nuclei or cell-cycle appearance.

CAIE A-Level Biology AS P3.7 Interpreting Data and Observations Questions question 1

[Maximum number: 1]

The graph shows the percentage of tuberculosis (TB) patients who were also known to be infected with HIV, from 2004 to 2011.

Figure for Question CAIE A-Level Biology AS P3.7 Interpreting Data and Observations Questions question 1 — CAIE A-Level Biology AS

Which statement about the graph is correct?

A

From 2004 to 2010, the percentage of TB patients with HIV infection in region P increased from 3% to 69%.

B

From 2005 to 2011, the percentage of TB patients with HIV infection increased more rapidly in region P than in regions outside region P.

C

From 2006 to 2011, the percentage of TB patients with HIV infection in regions outside region P doubled.

D

From 2007 to 2011, the percentage of TB patients with HIV infection globally increased from 20% to 30%.

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