Combined Science (A) J250,07 Higher November 2020, OCR GCSE Past Papers with Mark Schemes

The June 2020 OCR Science GCSE Paper 7 evaluates biological concepts including homeostasis, photosynthesis, respiration, and transport in plants and animals. Key topics include diabetes classification, diffusion rates, red blood cell adaptations, transpiration, enzyme activity, and stem cell applications. Students analyze data, perform calculations, and interpret experimental results. Practical applications focus on measuring transpiration rates, enzyme reactions, and hormonal effects on the menstrual cycle. Keywords: GCSE Biology, homeostasis, photosynthesis, transpiration, enzymes, stem cells, respiration, experimental biology.