Combined Science (B) J260,01 Foundation November 2021, OCR GCSE Past Papers with Mark Schemes

1. Regulation of internal body conditions, importance of maintaining optimal enzyme temperatures, and mechanisms of insulin in controlling blood sugar levels.

2. Risk factors for cardiovascular disease, effects of heart muscle damage on circulation, and statistical analysis of cardiovascular health data.

3. Carbon cycle processes, including photosynthesis and respiration, and the role of decomposers in nutrient recycling.

4. Investigation of reflex responses in organisms, structure and function of synapses, and pathways in the nervous system.

5. Definitions and examples of ecosystem components, predator-prey relationships, and ecological interactions affecting population dynamics.

6. Evidence of evolution from fossils, limitations of fossil records, and modern methods like genetic analysis for organism classification.