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Edexcel IAL YBI11 Biology Past Papers

Pearson Edexcel International A Level (IAL) YBI11 Biology: 6 papers, 97 past papers from 2019 to 2025; 24 can be taken online on Sagacia.

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Papers

PaperTypeMarksMinutesPapersOnline
Unit 1 Molecules, Diet, Transport and Health (WBI11)written––189
Unit 2 Cells, Development, Biodiversity and Conservation (WBI12)written––177
Unit 4 Energy, Environment, Microbiology and Immunity (WBI14)written––154
Unit 5 Respiration, Internal Environment, Coordination and Gene Technology (WBI15)written––154
Unit 3 Practical Skills in Biology I (WBI13)practical––170
Unit 6 Practical Skills in Biology II (WBI16)practical––150

Past papers by series

Gold = available online; grey = coming soon. Click for the paper page.

SeriesUnit 1Unit 2Unit 4Unit 5Unit 3Unit 6
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Topic coverage (share of marks)

Based on fully verified past papers, sorted by share of marks.

Unit 1 Molecules, Diet, Transport and Health

1.1 Molecules, Transport and Health278 marks · 66%
1.2 Membranes, Proteins, DNA and Gene Expression141 marks · 34%

Unit 2 Cells, Development, Biodiversity and Conservation

2.1 Cell Structure, Reproduction and Development187 marks · 60%
2.2 Plant Structure and Function, Biodiversity and Conservation124 marks · 40%

Unit 4 Energy, Environment, Microbiology and Immunity

4.1 Energy Flow, Ecosystems and the Environment111 marks · 58%
4.2 Microbiology, Immunity and Forensics79 marks · 42%

Unit 5 Respiration, Internal Environment, Coordination and Gene Technology

5.2 Coordination, Response and Gene Technology125 marks · 60%
5.1 Respiration, Muscles and the Internal Environment82 marks · 40%

Unit 3 Practical Skills in Biology I

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%

Unit 6 Practical Skills in Biology II

E1 Planning an investigation119 marks · 52%
E3 Data processing and graphs57 marks · 25%
E5 Conclusions and evaluation41 marks · 18%
6 marks · 3%
E2 Measurement, apparatus and techniques5 marks · 2%
9 91 marks · 0%
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