- Every Biology B 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
5 Genetics, control and homeostasis Topical Past Papers
OCR A-Level Biology B H422 — past-paper questions on "Genetics, control and homeostasis" grouped from the official 2026 syllabus. Free to browse.
OCR — Oxford Cambridge and RSA Examinations A-Level Biology B H422 topical past papers — Topic: Genetics, control and homeostasis — free, no signup. Original Biology B past papers and mark schemes from the official source, compiled for you. This free archive covers 3 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: Genetics, control and homeostasis
OCR A-Level Biology B topical past papers for the scope you picked — Topic: Genetics, control and homeostasis. 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 Biology B archive works
Open this page and every OCR A-Level Biology B 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
OCR releases new Biology B 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 OCR updates the Biology B 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.
Biology B H422 topical past papers — what students search for
Students search for "Biology B H422 topical past papers", "Biology B topic-wise questions", "Biology B chapter-wise past papers", "Biology B questions by topic", "free OCR Biology B past papers by topic", and dozens more variations every day. This free page is the canonical landing spot for every topic-wise variant of Biology B — open the topic you need and the questions are right there.
Common searches — "Biology B 2026 paper", "Biology B recent past papers", "Biology B latest questions by topic" — all resolve to questions grouped under their official syllabus topic here, free to browse.
Some students search specifically for "Biology B questions only no solutions" or "Biology B past papers without answers" — that is exactly what this free archive is. If you actually want "Biology B worked solutions" or "Biology B step-by-step", the Topical Solved version has the same questions with a teacher-verified worked solution for each.
Subtopics within Genetics, control and homeostasis
Frequently Asked Questions
Is this Biology B topical archive really free?
Yes. Every OCR Biology B 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 Biology B archive?
As soon as OCR releases a new Biology B 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.