OCR A Level Biology B Paper 1 2025 Question Paper

Get the official OCR A-Level Biology B (Advancing Biology) H422/01 Fundamentals of Biology June 2025 question paper used in the Summer 2025 OCR examination series. This authentic examiner-issued PDF contains multiple-choice, data-analysis, practical-skills, physiology, genetics, microbiology, ecology, plant biology, nephron, and neuroscience questions exactly as presented to candidates during the live OCR assessment.

This paper includes exam questions on blood cells, ATP structure, cardiac output, alveoli, meiosis, phylogenetic trees, Gram staining, HIV transmission, chloroplast ultrastructure, photosynthesis, Hardy–Weinberg equilibrium, diabetes mellitus, nervous control, HIV vaccines, transpiration investigations, soybean root nodules, skeletal muscle ultrastructure, ultrafiltration in nephrons, dialysis quality-of-life studies, frontotemporal dementia, DNA methylation, MRI scans, EEG scans, and PET scanning techniques. Pair it with the matching OCR H422/01 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 A-Level Biology B (Advancing Biology) students preparing for the 2026 examination series, Year 13 learners studying Fundamentals of Biology, retake students targeting A/A* grades, and home-schooled candidates seeking authentic OCR exam practice under timed conditions.

It is also essential for teachers, private tutors, revision-course providers, and parents supporting Biology revision at home. The question paper can be used for mock examinations, synoptic revision, practical-skills preparation, extended-response planning, and identifying weaknesses in OCR Biology B exam technique.