OCR As Biology B Paper 1 2025 Question Paper Pdf

Get the official OCR AS Level Biology B (Advancing Biology) H022/01 Foundations of Biology June 2025 question paper used in the Summer 2025 OCR examination series. This authentic examiner-issued PDF contains multiple-choice, practical-skills, genetics, immunity, respiration, microscopy, evolution, biodiversity, infectious disease, and data-analysis questions exactly as presented to candidates during the live OCR assessment.

This paper includes exam questions on peak expiratory flow rate (PEFR), multicellular transport systems, ultrastructure of mammalian cells, enzyme inhibitors, apoptosis, karyograms, HIV structure and transmission, communicable diseases, osmosis investigations, oncogenes, bird evolution, bronchiectasis, tRNA structure, ATP, DNA replication, transcription rates, fossils and phylogenetic relationships, dynamin proteins, flow cytometry, haemocytometers, algal population sampling, and Euglena ultrastructure. Pair it with the matching OCR H022/01 June 2025 mark scheme on markscheme.net for complete examiner-style revision and exam preparation. Updated for the 2025/2026 academic year, mobile-friendly, and instantly downloadable from markscheme.net.

This document is designed for OCR AS Level Biology B (Advancing Biology) students preparing for the 2026 examination series, Year 12 learners studying Foundations of Biology, retake students targeting top grades, and home-schooled candidates seeking authentic OCR exam practice under timed conditions.

It is also ideal for teachers, private tutors, revision-course providers, and parents supporting Biology revision at home. The question paper can be used for mock examinations, practical-skills preparation, immunity revision, microscopy analysis, infectious disease revision, and OCR exam-technique training.