Combined Science (B) J260,05 Higher June 2018, OCR GCSE Past Papers with Mark Schemes

This biology exam paper focuses on core topics like genetics, cell division, human physiology, plant biology, and environmental science. Questions include explaining genetic inheritance using Punnett squares, analyzing blood cholesterol data, and understanding hormone regulation in the menstrual cycle. Further sections assess knowledge of photosynthesis, cellular respiration, and circulatory systems, with applied tasks such as calculating probabilities and drawing graphs. Evolution, natural selection, and genetic engineering are explored through experimental evidence and practical applications. Total marks: 95, emphasizing analytical and interpretative skills in biological contexts.