Data & Graph Biology GCSE Questions: Interpretation Guide
“Using Figure 2…” appears on almost every GCSE Biology paper. These biology GCSE questions test whether you read the stimulus, not only your revision notes.
Hub: Biology GCSE questions · Command word Use: AQA Biology command words.
Question types with data
Describe a trend (2–3 marks)
- Describe the pattern in the rate of photosynthesis between 20°C and 35°C.
Quote values from axes (increases, peaks at 30°C, then decreases).
Suggest using data (3–4 marks)
- Using Figure 1, suggest one reason why species B declined.
Link observation from graph → biological explanation (habitat loss, predator increase, etc.).
Plot or complete a graph
- Label axes with quantity and unit
- Sensible scale, points plotted accurately, line of best fit or bar chart as appropriate
Compare groups
- Compare the mean heart rate before and after exercise in Table 1.
Use data: Group A mean 72 bpm, Group B mean 110 bpm—increase of…
Evaluate reliability
- Suggest one limitation of the investigation shown.
Sample size, control, anomaly, measuring technique.
Phrases that score vs waste marks
| Weak | Strong |
|---|---|
| “It goes up” | “Rate increases from 4 to 9 arbitrary units between 10°C and 25°C” |
| “Pollution is bad” | “Figure shows dissolved oxygen falls after 2010, which may reduce aquatic respiration” |
FAQ
Can I answer without mentioning the figure?
Usually no for “using the information” questions—examiners penalise generic notes.
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