Combined Science (B) J260,01 Foundation November 2020, OCR GCSE Past Papers with Mark Schemes

The biology exam paper examines core topics like DNA structure, genetic testing, cellular function, and circulatory systems. It evaluates understanding of photosynthesis, selective breeding, antibiotic resistance, and pathogen defenses. Practical applications include analyzing experimental setups, calculating bacterial reproduction, and interpreting data on carbon dioxide′s role in photosynthesis. Keywords: “double helix,“ “chromosomes,“ “genetic engineering,“ “antibiotic zones,“ “Punnett square,“ “conservation grazing,“ and “heart adaptation.“ The paper emphasizes data analysis, biological processes, and ethical considerations in science.