WJEC AS/A Level Biology Past Papers & Mark Schemes
Free WJEC A Level Biology past papers & mark schemes. Units 1–5 including practical exam. Biochemistry, physiology, ecology, and genetics. 95 resources.
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Summer 2023
8 filesAS/A Level Biology – Unit 3: Written: Energy, Homeostasis and the Environment – Mark Scheme – Summer 2023
AS/A Level Biology – Unit 4: Written: Variation, Inheritance and Options – Mark Scheme – Summer 2023
AS/A Level Biology – Unit 1: Written: Basic Biochemistry and Cell Organisation – Mark Scheme – Summer 2023
AS/A Level Biology – Unit 2: Written: Biodiversity and Physiology of Body Systems – Mark Scheme – Summer 2023
AS/A Level Biology – Unit 3: Written: Energy, Homeostasis and the Environment – Past Paper – Summer 2023
AS/A Level Biology – Unit 4: Written: Variation, Inheritance and Options – Past Paper – Summer 2023
AS/A Level Biology – Unit 1: Written: Basic Biochemistry and Cell Organisation – Past Paper – Summer 2023
AS/A Level Biology – Unit 2: Written: Biodiversity and Physiology of Body Systems – Past Paper – Summer 2023
Summer 2022
8 filesAS/A Level Biology – Unit 1: Written: Basic Biochemistry and Cell Organisation – Past Paper – Summer 2022
AS/A Level Biology – Unit 2: Written: Biodiversity and Physiology of Body Systems – Past Paper – Summer 2022
AS/A Level Biology – Unit 3: Written: Energy, Homeostasis and the Environment – Past Paper – Summer 2022
AS/A Level Biology – Unit 4: Written: Variation, Inheritance and Options – Past Paper – Summer 2022
AS/A Level Biology – Unit 3: Written: Energy, Homeostasis and the Environment – Mark Scheme – Summer 2022
AS/A Level Biology – Unit 4: Written: Variation, Inheritance and Options – Mark Scheme – Summer 2022
AS/A Level Biology – Unit 1: Written: Basic Biochemistry and Cell Organisation – Mark Scheme – Summer 2022
AS/A Level Biology – Unit 2: Written: Biodiversity and Physiology of Body Systems – Mark Scheme – Summer 2022
Summer 2019
8 filesAS/A Level Biology – Unit 3: Written: Energy, Homeostasis and the Environment – Mark Scheme – Summer 2019
AS/A Level Biology – Unit 4: Written: Variation, Inheritance and Options – Mark Scheme – Summer 2019
AS/A Level Biology – Unit 1: Written: Basic Biochemistry and Cell Organisation – Mark Scheme – Summer 2019
AS/A Level Biology – Unit 2: Written: Biodiversity and Physiology of Body Systems – Mark Scheme – Summer 2019
AS/A Level Biology – Unit 1: Written: Basic Biochemistry and Cell Organisation – Past Paper – Summer 2019
AS/A Level Biology – Unit 2: Written: Biodiversity and Physiology of Body Systems – Past Paper – Summer 2019
AS/A Level Biology – Unit 3: Written: Energy, Homeostasis and the Environment – Past Paper – Summer 2019
AS/A Level Biology – Unit 4: Written: Variation, Inheritance and Options – Past Paper – Summer 2019
Summer 2018
1 fileAS/A Level Biology – Unit 2: Written: Biodiversity and Physiology of Body Systems – Past Paper – Summer 2018
WJEC A Level Biology: Five Units from Biochemistry Through Ecology to a Practical Examination
Exam Paper Structure
Basic Biochemistry and Cell Organisation (AS)
Biodiversity and Physiology of Body Systems (AS)
Energy, Homeostasis and the Environment (A2)
Variation, Inheritance and Options (A2)
Practical Examination (A2)
Key Information
| Exam Board | WJEC |
| Specification Code | WJEC A Level Biology |
| Qualification | AS/A Level |
| Grading Scale | A*–E (A Level) / A–E (AS) |
| Assessment Type | 4 written exams + 1 practical exam |
| Tiers | None |
| Number Of Papers | 5 |
| Exam Duration | Varies by unit |
| Total Marks | Varies by unit |
| Calculator Status | Calculator permitted |
| Total Resources | 95 |
Key Topics in Biology
Topics you need to know
Exam Command Words
| Command word | What the examiner expects |
|---|---|
| Describe | Give a detailed account of structures, processes, or observations |
| Explain | Give biological reasons, linking cause to effect |
| Evaluate | Review evidence and reach a supported conclusion |
| Discuss | Present arguments for and against, drawing on biological knowledge |
Typical Grade Boundaries
| Grade | Approximate mark needed |
|---|---|
| A* | 80–90% |
| A | 70–79% |
| B | 60–69% |
| C | 50–59% |
| D | 40–49% |
| E | 30–39% |
⚠️ Boundaries vary by session. Check WJEC’s website for UMS thresholds.
Biochemical Pathways, Extended Response Structure, and Practical Exam Preparation for WJEC Biology
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