2025 OCR GCSE Combined Science A PAPER 12 + MARK SCHEME

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OCR GCSE Combined Science A – Paper 12: Biology 1 (Foundation Tier) (J250/12) – Question Paper + Mark Scheme (2025)

This paper assesses students’ understanding of the fundamental biology concepts in the OCR GCSE Combined Science A (9–1) specification, focusing on recall, simple application, and basic scientific skills at Foundation Tier level.

Paper 12 covers content from Biology 1, including:

Cell biology – cell structure, microscopy, transport in cells, and cell division
Organisation – tissues, organs, organ systems, and transport systems
Infection and response – pathogens, disease, and the immune system
Bioenergetics – photosynthesis and respiration
Ecology – ecosystems, biodiversity, and human impact on the environment

The exam includes multiple-choice questions, short structured questions, simple calculations, and basic data interpretation, designed to be accessible while still testing understanding of key biology ideas.

The included mark scheme provides:

Clear marking points and acceptable answers
Guidance for calculations and data interpretation
Examiner expectations and common errors

This resource is ideal for revision, classroom use, mock exams, and independent study, helping students build confidence and improve exam technique in Combined Science Biology.