- Every Combined Science past-paper question on the topic, grouped under the official syllabus numbering
- The official mark scheme shown alongside each question
- Free to browse online — no signup, no download, no paywall
- Cross-linked to the Topical Solved version if you ever want step-by-step worked solutions
Pearson Edexcel · GCSE · Combined Science
8 Exchange and transport in animals Topical Past Papers
Pearson Edexcel GCSE Combined Science past-paper questions on "Exchange and transport in animals" grouped from the official 2026 Edexcel specification. Free to browse.
Pearson Edexcel GCSE Combined Science topical past papers — Topic: Exchange and transport in animals — free, no signup. Original Combined Science past papers and mark schemes from the official source, compiled for you. This free archive covers 26 past-paper components — questions grouped by topic, mark scheme alongside, no worked solutions. Free to browse online — no signup, no download limits.
What's in your Topic: Exchange and transport in animals
Edexcel GCSE Combined Science topical past papers for the scope you picked — Topic: Exchange and transport in animals. Every past-paper question is reproduced with the original wording and paired with the official mark scheme — questions only, no worked solutions on this free archive.
Questions are organised so you can revise systematically without opening a dozen separate session PDFs. If you want step-by-step worked solutions to the same questions, the Topical Solved version is one click away.
How the free Combined Science archive works
Open this page and every Edexcel GCSE Combined Science question on the topic is already grouped for you under the official 2026 syllabus numbering — no signup, no download, nothing to buy. Read them in your browser on any device.
Each question sits next to its official mark scheme, so you can attempt it and mark yourself straight away. When you want the full method walked through, the Topical Solved version of the same questions adds a step-by-step worked solution to every one.
- Open the page — the questions are already there, grouped by topic.
- Attempt each one, then check it against the mark scheme alongside.
- Want the full working? Topical Solved covers the same questions with step-by-step solutions.
- Nothing to buy, sign up for, or install — it stays free.
Always current, always free
Edexcel releases new Combined Science sessions every year, and every session adds new questions to this topical archive. As soon as a session lands, the new questions are filed under the right syllabus topic on this page — so the day after a results day the topic already includes the freshest questions. No stale archive, no waiting.
When Edexcel updates the Combined Science syllabus mapping or retires a topic, the affected topic pages here are re-checked against the official 2026 syllabus and re-grouped — still free to browse. Stale topic mapping is one of the biggest hidden quality problems with free past-paper sites; this archive is re-checked on every release.
Combined Science topical past papers — what students search for
Students search for "Combined Science topical past papers", "Combined Science topic-wise questions", "Combined Science chapter-wise past papers", "Combined Science questions by topic", "free Edexcel Combined Science past papers by topic", and dozens more variations every day. This free page is the canonical landing spot for every topic-wise variant of Combined Science — open the topic you need and the questions are right there.
Common searches — "Combined Science 2026 paper", "Combined Science recent past papers", "Combined Science latest questions by topic" — all resolve to questions grouped under their official syllabus topic here, free to browse.
Some students search specifically for "Combined Science questions only no solutions" or "Combined Science past papers without answers" — that is exactly what this free archive is. If you actually want "Combined Science worked solutions" or "Combined Science step-by-step", the Topical Solved version has the same questions with a teacher-verified worked solution for each.
Subtopics within Exchange and transport in animals
Describe the need to transport substances into and out of a
Explain the need for exchange surfaces and a transport system
Explain how alveoli are adapted for gas exchange by diffusion
Recall the names and uses of the following fractions:
Explain how hydrocarbons in different fractions differ from each
Explain how the structure of the blood is related to its function:
Explain how the structure of the blood vessels is related to their
Explain how the structure of the heart and circulatory system is
Describe cellular respiration as an exothermic reaction which
Compare the process of aerobic respiration with the process of
Core Practical: Investigate the rate of respiration in living
Calculate heart rate, stroke volume and cardiac output, using
Explain why, when fuels are burned in engines, oxygen and
Evaluate the advantages and disadvantages of using hydrogen
Recall that petrol, kerosene and diesel oil are non-renewable
Explain why cracking involves the breaking down of larger
Explain why cracking is necessary
Recall that the gases produced by volcanic activity formed the
Describe that the Earth’s early atmosphere was thought to
Explain how condensation of water vapour formed oceans
Explain how the amount of carbon dioxide in the atmosphere
Explain how the growth of primitive plants used carbon dioxide
Describe the chemical test for oxygen
Describe how various gases in the atmosphere, including carbon
Evaluate the evidence for human activity causing climate
Describe:
Frequently Asked Questions
Is this Combined Science topical archive really free?
Yes. Every Edexcel Combined Science past-paper question grouped by topic on this page is free to browse online — no signup, no paywall, no download limit. The only paid option is Topical Solved, which adds a step-by-step worked solution to each question.
What's the difference between this and Topical Solved?
This free archive gives you the questions grouped by topic with the official mark scheme alongside — questions only. Topical Solved is the same questions plus a teacher-verified, step-by-step worked solution for each one, so you can see exactly how the marks are earned.
Is the mark scheme included?
Yes — every question is shown next to its official mark scheme, so you can attempt it and mark your own answer without leaving the page.
How up to date is the Combined Science archive?
As soon as Edexcel releases a new Combined Science session, the new questions are filed under the right syllabus topic here — so the archive already includes the freshest session the day after results day, still free.