OCR GCSE Biology A Paper 2 Foundation June 2025 Mark Scheme

This is the official June 2025 mark scheme for OCR GCSE Biology A Gateway, Paper 2 Foundation Tier (J247/02). It contains the complete marking guidance, accepted answers, alternative responses, and assessment objective breakdowns for all 23 questions, including the Section A multiple-choice questions and the extended-response level-of-response question on carp and microscopic plants in lakes.
Use this mark scheme alongside the question paper to check your answers, understand how marks are awarded, and identify common pitfalls. It covers core Foundation Tier topics including blood cells and the circulatory system, cardiovascular disease, inheritance and genetic disorders (SIOD), food security, food webs, antibiotics and antibiotic resistance, plant disease (cucumber wilt), the immune system, and ecological sampling using quadrats.

This mark scheme is for GCSE students sitting OCR Biology A Gateway (Foundation Tier) who want to self-mark Paper 2 and revise effectively for their exams. It is also a valuable resource for teachers preparing lessons and revision sessions, tutors providing one-to-one support, and parents helping their children prepare for GCSE Biology. Anyone working through the J247/02 June 2025 paper will find this essential for accurate marking.