Why 0654 needs careful resource selection
0654 gives learners one integrated course across Biology, Chemistry and Physics and awards two grades. Cambridge lists the three sciences in separate syllabus sections, while the assessment structure uses shared component families. A resource can look relevant and still be wrong for your entry if it belongs to Biology 0610, Chemistry 0620, Physics 0625, Combined Science 0653 or the 9-1 qualification 0973.
Component and tier fit matter too. Cambridge's official past-paper page lists question papers and mark schemes by component and variant, including Papers 1 to 6 in the specimen and selected past-paper material. Keep the paper number separate from the variant number: the variant indicates the regional paper version, not a different science subject. Check your centre's entry and the syllabus assessment section before building a study set.
1. Cambridge International: use it to establish the truth
Cambridge's 0654 programme page identifies the qualification as Co-ordinated Sciences (Double Award), explains that it covers Biology, Chemistry and Physics, and publishes the syllabus years currently in use. The 2025-2027 syllabus covers exams in 2025, 2026 and 2027, with June and November series and March availability in India.
The official past-papers page is the first stop for specimen papers, selected question papers, mark schemes, confidential instructions and examiner reports. Cambridge warns that published past papers may not reflect the current syllabus in every detail. It also notes that from March 2026 question-paper layout and formatting changes are being introduced for accessibility, while assessment content, demand and question types do not change. That makes official version checking more useful than blindly downloading the newest-looking PDF.
2. PastPapers.Co: a broad 0654 archive
PastPapers.Co offers an 0654 archive organised by session and includes question papers, marking schemes, examiner reports, grade thresholds, syllabuses and specimen resources. Its session pages show why this organisation helps: one sitting can contain multiple question-paper components and variants, each with a matching mark scheme. Use the archive as a practical index, but verify every file against the Cambridge qualification and your centre's component route.
The site describes the value of practising authentic papers, reviewing mark allocation and using examiner reports to identify recurring errors. That is sound workflow advice. Do not treat a third-party archive's displayed file total as a measure of complete Cambridge coverage, and do not mix 0654 files with similarly named Combined or 9-1 resources.
How to choose the right 0654 practice set
Start with the syllabus year printed on your official course materials. Then write down your paper route: Core or Extended, the component numbers your centre uses, and the variant conventions for your zone. Match each question paper to its mark scheme by the complete component and variant identifier. Keep confidential instructions with practical papers where they are available, because practical assessment can depend on details that a question-paper PDF alone does not show.
Build revision in three passes. First, work by science section: Biology, Chemistry and Physics. Second, mix sections in a timed set so you practise switching between scientific models, equations, observations, calculations and data. Third, complete a full component or paper combination under realistic timing. For each error, record whether it came from content knowledge, reading data, using a formula, selecting a unit, interpreting a diagram, planning an investigation or missing a command word.
A combined bank should preserve those distinctions. A Biology question may test a labelled process diagram or a food-test conclusion. Chemistry may require an ionic equation, observation or calculation. Physics may require a circuit diagram, graph or rearranged equation. These are not interchangeable skills, even when a site puts every item under a single “science” label.
What the PastPaperPrep 0654 bank does
PastPaperPrep's live 0654 bank keeps the combined qualification as one bank and makes real past-paper questions from recent exam years searchable by syllabus topic. Biology, Chemistry and Physics topics stay distinct, paper and component identity is retained, each question's printed session applies, and practical skills remain practical skills rather than being flattened into generic science.
Use it to isolate a weak science or build a mixed printable set while keeping the original question context. Use Cambridge as the authority for the syllabus, entry route and assessment structure. That split is deliberate: PastPaperPrep organises the practice; Cambridge defines the qualification.
Frequently asked questions
Is 0654 the same as Combined Science 0653?
No. Co-ordinated Sciences (Double Award) 0654 and Combined Science 0653 are separate Cambridge qualifications. Confirm the exact code on your syllabus and paper before revising.
Does 0654 cover Biology, Chemistry and Physics?
Yes. Cambridge describes 0654 as a double-award qualification with Biology, Chemistry and Physics covered in separate syllabus sections. Your practice should include all three, not only the section you find easiest.
How do I match a question paper to its mark scheme?
Match the full syllabus code, paper or component number and variant identifier. Never pair files by year alone. Check the paper header and mark-scheme header when the filename is unclear.
Should I choose Core or Extended papers?
Use the tier your centre has entered you for. Do not assume that a question from the other tier is a direct substitute; compare the syllabus and assessment details first.
Is the PastPaperPrep 0654 bank available?
Yes. The live Co-ordinated Sciences 0654 bank contains real past-paper questions from papers covering recent exam years, with Biology, Chemistry, Physics and practical-skill filters in one bank.