Combined Science (A) J250,02 Foundation November 2020, OCR GCSE Past Papers with Mark Schemes

The document is a GCSE (9–1) Combined Science (Biology) A past paper, covering fundamental biology concepts. Topics include cell biology (meiosis, chromosomes), genetics (Punnett squares, phenotypes), and human health (diseases, cholesterol levels). It examines ecosystem dynamics (abiotic factors, lichen growth) and evolutionary principles (selective breeding, adaptations). Practical investigation methods, data interpretation, and experimental design are assessed. The paper integrates real-world applications, emphasizing critical thinking and biological processes such as selective breeding, disease interactions, and adaptations in different ecosystems.