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 · Pearson Edexcel · 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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Quadrat sampling required practical
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Daisy quadrat estimate
| mean density (daisies m-2) | field area (m2) |
|---|---|
| 7.5 | 240 |
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Stream invertebrates upstream and downstream
| site (location) | mayfly larvae (count) | bloodworms (count) |
|---|---|---|
| upstream of sewage outlet | 38 | 2 |
| downstream of sewage outlet | 4 | 41 |
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Plant species counted in quadrats
| site (location) | quadrats sampled (quadrats) | species recorded (species) |
|---|---|---|
| short grass | 5 | 4 |
| wildflower strip | 5 | 11 |
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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.