2. Organisation
Key learning objectives
Mock papers launch from 1 August 2026. New papers will be added regularly from this date.
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gcse · biology · OCR · All papers
Releases 1 August 2026
Ultimate and Lifetime users can create one saved set of 4 extended-response questions for this topic and mark answers with examiner-style feedback.
Examiner-style long-answer practice with automatic marking, improvement advice and ProofCoach tracking.
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Onion cell microscopy practical
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Cell drawing measurements
| image size (mm) | actual size (mm) |
|---|---|
| 42 | 0.06 |
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Potato cylinder osmosis results
| sucrose concentration (mol dm-3) | mean mass change (%) | range (%) |
|---|---|---|
| 0 | 12 | 3 |
| 0.4 | -2 | 2 |
| 0.8 | -18 | 5 |
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Repeat mass changes near the isotonic point
| sucrose concentration (mol dm-3) | repeat 1 (%) | repeat 2 (%) | repeat 3 (%) |
|---|---|---|---|
| 0.3 | 5 | 4 | 6 |
| 0.4 | -1 | -2 | 0 |
| 0.5 | -7 | -6 | -8 |
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Paying students get 20 stored MCQs per generation session and 2sessions each month. Your set is saved here so you can reset and retake it without using another allowance. If the bank is running low, replenishment happens in the background.