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Edexcel IAL YBI11 Biology Unit 3 Practical Skills in Biology I (WBI13) Past Papers

Pearson Edexcel International A Level (IAL) YBI11 Biology Unit 3 Practical Skills in Biology I (WBI13): practical-skills paper. 17 past papers from 2019 to 2025; online practice is opening soon.

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All series

SeriesCodeMaxQsThresholds (min marks)Online
May/June 2025WBI13–––soon
January 2025WBI13–3–soon
October 2024WBI13–2–soon
May/June 2024WBI13–––soon
January 2024WBI13–––soon
October 2023WBI13–3–soon
May/June 2023WBI13–––soon
January 2023WBI13–3–soon
October 2022WBI13–3–soon
May/June 2022WBI13–3–soon
January 2022WBI13–––soon
October 2021WBI13–3–soon
May/June 2021WBI13–––soon
January 2021WBI13–––soon
October 2020WBI13–––soon
October 2019WBI13–––soon
May/June 2019WBI13–––soon

Topic coverage (all verified papers)

E2 Measurement, apparatus and techniques48 marks · 29%
E1 Planning an investigation46 marks · 28%
E5 Conclusions and evaluation31 marks · 19%
E3 Data processing and graphs22 marks · 13%
17 marks · 10%
E4 Uncertainties and errors3 marks · 2%
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