Edexcel International GCSE Human Biology (4HB1) Past Papers and Mark Schemes
Updated: Sep 21
Access all Edexcel International GCSE Human Biology (4HB1) past papers and mark schemes in one place. Practise with official exam questions, understand the marking criteria and prepare effectively for your Pearson Edexcel IGCSE Human Biology exams.
Edexcel International GCSE Human Biology (4HB1) 2026 Past Papers & Mark Schemes
Exam / Paper | Question Paper | Mark Scheme |
June 2026 — Paper 1 | ||
June 2026 — Paper 2 |
Edexcel International GCSE Human Biology (4HB1) 2025 Past Papers & Mark Schemes
Exam / Paper | Question Paper | Mark Scheme |
|---|---|---|
June 2025 — Paper 1 | ||
June 2025 — Paper 1R | ||
June 2025 — Paper 2 | ||
June 2025 — Paper 2R |
Edexcel International GCSE Human Biology (4HB1) 2024 Past Papers & Mark Schemes
Exam / Paper | Question Paper | Mark Scheme |
|---|---|---|
November 2024 — Paper 1 | ||
November 2024 — Paper 2 | ||
June 2024 — Paper 1 | ||
June 2024 — Paper 1R | ||
June 2024 — Paper 2 | ||
June 2024 — Paper 2R |
Edexcel International GCSE Human Biology (4HB1) 2023 Past Papers & Mark Schemes
Exam / Paper | Question Paper | Mark Scheme |
|---|---|---|
November 2023 — Paper 1 | ||
November 2023 — Paper 2 | ||
June 2023 — Paper 1 | ||
June 2023 — Paper 1R | ||
June 2023 — Paper 2 | ||
June 2023 — Paper 2R | ||
January 2023 — Paper 1 | ||
January 2023 — Paper 2 |
Edexcel International GCSE Human Biology (4HB1) 2022 Past Papers & Mark Schemes
Exam / Paper | Question Paper | Mark Scheme |
|---|---|---|
June 2022 — Paper 1 | ||
June 2022 — Paper 1R | ||
June 2022 — Paper 2 | ||
June 2022 — Paper 2R | ||
January 2022 — Paper 1 | ||
January 2022 — Paper 2 |
Edexcel International GCSE Human Biology (4HB1) 2021 Past Papers & Mark Schemes
Exam / Paper | Question Paper | Mark Scheme |
|---|---|---|
November 2021 — Paper 1 | ||
November 2021 — Paper 2 | ||
June 2021 — Paper 1 | ||
June 2021 — Paper 2 |
Edexcel International GCSE Human Biology (4HB1) 2020 Past Papers & Mark Schemes
Exam / Paper | Question Paper | Mark Scheme |
|---|---|---|
November 2020 — Paper 1 | ||
November 2020 — Paper 1R | ||
November 2020 — Paper 2 | ||
November 2020 — Paper 2R | ||
January 2020 — Paper 1 | ||
January 2020 — Paper 2 |
Edexcel International GCSE Human Biology (4HB1) 2020 Past Papers & Mark Schemes
Exam / Paper | Question Paper | Mark Scheme |
|---|---|---|
June 2019 — Paper 1 | ||
June 2019 — Paper 1R | ||
June 2019 — Paper 2 | ||
June 2019 — Paper 2R |
Top Tips from IGCSE Human Biology Examiners
Examiners repeatedly identify the same avoidable mistakes in Edexcel International GCSE Human Biology. Use these six tips when practising past papers and preparing for the 2027 exams.
1. Show Every Stage of Your Calculations
Do not write only the final answer. If your answer is incorrect but your method is clear, you may still receive method marks.
Always:
Write down the formula you are using.
Substitute the values clearly.
Show each stage of your working.
Include the correct unit in your final answer.
Check unit conversions before calculating.
Be especially careful when converting between millimetres, centimetres, micrometres, cubic centimetres and cubic decimetres. For example, converting from cm³ to dm³ requires dividing by 1,000.
2. Use Accurate Graphing Technique
Graph questions can provide straightforward marks, but only when the graph is drawn precisely.
Remember to:
Use a sharp pencil and ruler.
Place the independent variable on the x-axis and the dependent variable on the y-axis.
Label both axes with the correct quantities and units.
Choose a simple linear scale using sensible intervals such as 1, 2, 5 or 10.
Use at least half of the available graph grid.
Plot every point carefully.
Draw a ruled line or smooth curve of best fit, depending on the instruction.
Do not join points with straight lines if the question specifically asks for a smooth curve.
3. Give Specific and Realistic Practical Methods
Avoid vague instructions such as “do the experiment,” “sterilise the equipment” or “keep everything the same.” Examiners need enough detail to understand exactly how the investigation would be conducted.
A strong practical answer should identify:
The independent and dependent variables
The measurements that will be taken
The equipment required
Important control variables
How variables will be controlled
Any necessary safety precautions
How results will be repeated and compared
Revise common practical setups involving food tests, calorimetry, spirometers, agar plates, Visking tubing, enzymes and limewater. Your proposed method must be scientifically possible and safe.
4. Use Precise Biological Vocabulary
Everyday language is often too vague to gain marks. Use the exact scientific term required by the question.
For example:
Write concentration or volume, rather than “amount.”
Write nerve impulse, rather than “message” or “signal.”
Write energy is released during respiration, not “energy is created.”
State that lymphocytes produce antibodies, rather than saying they “fight disease.”
State that phagocytes engulf and digest pathogens.
Distinguish carefully between a cell membrane and a cell wall.
Precise vocabulary demonstrates accurate biological understanding and makes it easier for the examiner to award the mark.
5. Respond Correctly to Command Words
Read the command word before beginning your answer.
Describe means state what happens or identify the overall pattern.
Explain means give the scientific reason why something happens.
Compare means identify relevant similarities and differences.
Calculate means show your working and provide a numerical answer.
Evaluate means consider evidence, limitations and the strength of a conclusion.
Suggest means apply your knowledge to an unfamiliar situation.
If asked to describe a graph, give the overall trend rather than copying individual values. If asked to explain it, provide the biological mechanism responsible for that trend.
6. Match Your Answer to the Marks and the Context
A one-sentence response is unlikely to be sufficient for a four- or five-mark question. Use the mark allocation as a guide to the amount of detail required. A four-mark question will normally require approximately four distinct, relevant points.
However, do not write everything you know about the topic. Read the scenario carefully and answer the precise question being asked. Use information from the question, graph or experimental context in your response.
Before moving on, check:
Have I made enough separate points?
Have I answered the exact question?
Have I used information from the given context?
Have I explained each link in the biological process?
Commonly Asked Questions
1. What papers will I take for Edexcel International GCSE Human Biology in 2027?
You will take two externally assessed written examinations:
Paper 1: 4HB1/01
Paper 2: 4HB1/02
Both papers must be taken in the same examination series because Human Biology is a linear qualification.
2. How long are the 4HB1 Human Biology exams?
Paper 1 and Paper 2 are each 1 hour and 45 minutes long. Each paper contains 90 marks and contributes 50% of your final grade. Your marks from both papers are added together to produce a total out of 180.
3. Is Edexcel International GCSE Human Biology tiered?
No. Human Biology 4HB1 is untiered, so there are no separate Foundation and Higher papers. Every student takes the same examinations, and grades from 9 to 1 are available.
4. What is the difference between Human Biology Paper 1 and Paper 2?
Both papers can assess content from all 12 specification topics. They contain a mixture of multiple-choice questions, calculations, short-answer questions and extended responses. Paper 2 may also include comprehension questions requiring you to interpret unfamiliar biological information.
Do not revise different topics for each paper—the entire specification can be tested in both.
5. Which topics should I revise for the 2027 Human Biology exams?
You should revise all 12 areas of the specification:
Cells and tissues
Biological molecules
Movement of substances into and out of cells
Bones, muscles and joints
Coordination
Nutrition and energy
Respiration
Gas exchange
Internal transport
Homeostatic mechanisms
Reproduction and heredity
Disease
Use the current Pearson Edexcel Human Biology specification as your final revision checklist.
6. Are practical experiments assessed in the 4HB1 exams?
Yes, but there is no separate practical examination or coursework component. Experimental skills are assessed through written questions. You may need to:
Identify independent, dependent and control variables
Describe or evaluate an investigation
Interpret tables and graphs
Identify sources of error
Suggest improvements
Draw conclusions from results
Explain how to make an experiment reliable, accurate or valid
Practical and data-handling questions are important because experimental skills account for approximately 19–21% of the qualification.
7. Can I use a calculator in the Human Biology exams?
Yes. A suitable calculator may be used in both papers. You should be prepared to calculate percentages, rates, averages, ratios, magnification and percentage change. Always show your working, include the correct units and follow the instructions printed on the front of your 2027 paper.
8. What is the best way to use Human Biology past papers?
Complete each paper under timed conditions, then mark it carefully using the official mark scheme. For every lost mark, record:
The topic tested
The command word used
What was missing from your answer
The exact scientific point required by the mark scheme
Repeat difficult questions several days later without looking at your original answer. This is more effective than simply reading the mark scheme once.
9. How many past papers should I complete before the 2027 exams?
Aim to complete at least five full sets, meaning five Paper 1s and five Paper 2s. Start with older papers for topic practice and save the most recent papers for timed mocks. If you have limited time, prioritise recent 4HB1 papers because they most closely reflect the current specification and question style.
10. What grade boundaries will be used for Edexcel Human Biology in 2027?
The 2027 grade boundaries cannot be known before the examinations. Pearson sets them after the papers have been taken and marked, so they can change between examination series depending on the overall difficulty of the papers. Use previous boundaries only as a rough guide and focus on securing as many of the 180 available marks as possible.
