Pearson Edexcel International A Level Biology (WBI11–WBI16): examiner-style marking and a new paper for every student
Answers checked against the marking points with the exact missing term named, including the practical-skills units.
Specification first teaching 2018. A redeveloped IAL Biology is announced for first teaching Sept 2027 · January and June and October series · grades A*–E
Paper structure and what we mark
| Paper | Time | Marks | Weight | Questions |
|---|---|---|---|---|
| WBI11 — Unit 1: Molecules, Diet, Transport and Health | 1 h 30 min | 80 | 40% AS · 20% A Level | Section A multiple choice, Section B short and extended answers |
| WBI12 — Unit 2: Cells, Development, Biodiversity and Conservation | 1 h 30 min | 80 | 40% AS · 20% A Level | Section A multiple choice, Section B short and extended answers |
| WBI13 — Unit 3: Practical Skills in Biology I | 1 h 20 min | 50 | 20% AS · 10% A Level | Written paper on practical skills |
| WBI14 — Unit 4: Energy, Environment, Microbiology and Immunity | 1 h 45 min | 90 | 40% AS · 20% A Level | Section A multiple choice, Section B short and extended answers |
| WBI15 — Unit 5: Respiration, Internal Environment, Coordination and Gene Technology | 1 h 45 min | 90 | 40% AS · 20% A Level | Section A multiple choice, Section B short and extended answers |
| WBI16 — Unit 6: Practical Skills in Biology II | 1 h 20 min | 50 | 20% AS · 10% A Level | Written paper on practical skills |
Topics
- Biological molecules
- Cells and development
- Biodiversity
- Ecosystems and microbiology
- Immunity
- Gene technology
Questions teachers ask
- Is this official Pearson Edexcel marking?
- No. Pearson Edexcel International marks the real exam. This is examiner-style marking of mocks and homework for IAL Biology, and you approve every mark before a student sees it.
- Do you reproduce past-paper questions?
- No. Every WBI11–WBI16 paper here is original and written to the specification first teaching 2018. a redeveloped ial biology is announced for first teaching sept 2027, in the same structure as the real papers shown above.
- Which papers are marked?
- None yet are marked question by question. Practical exams sat at the centre are not marked here.
- How is the next paper chosen?
- From the marks a student lost: the concepts behind them are ranked by marks dropped, and the new paper weights those topics. It is the same syllabus and structure, with new questions.
- When are the exams?
- January and June and October series. Grades A*–E.
Other Pearson Edexcel International A Level courses
- Pearson Edexcel International A Level Mathematics (WMA / WME / WST)
- Pearson Edexcel International A Level Physics (WPH11–WPH16)
- Pearson Edexcel International A Level Chemistry (WCH11–WCH16)
- Pearson Edexcel International A Level Economics (WEC11–WEC14)
- Pearson Edexcel International A Level Business (WBS11–WBS14)
- Pearson Edexcel International A Level Accounting (WAC11–WAC12)