OCR GCSE Biology B Paper 4 2025 Higher Tier Mark Scheme Pdf

Download the official OCR GCSE Biology B (Twenty First Century Science) J257/04 Depth in Biology (Higher Tier) mark scheme for June 2025. This mark scheme provides full answers, detailed marking criteria, and examiner guidance showing how marks are awarded across all questions.

It includes accepted answers, alternative responses, level-based marking for extended questions, and clear examiner expectations. Use this alongside the question paper to accurately check answers, improve exam technique, and understand how to achieve full marks in GCSE Biology exams.

GCSE Biology students taking OCR Biology B Higher Tier, especially those aiming for grades 7–9. Suitable for teachers and tutors marking mock exams and guiding students.