Combined Science (A) J250,01 Foundation June 2019, OCR GCSE Past Papers with Mark Schemes

The past paper focuses on key topics in GCSE Combined Science (Biology), including cellular processes (e.g., respiration, osmosis), enzyme activity, photosynthesis, and diffusion. It evaluates understanding of the menstrual cycle, human and plant physiology, and microscopy techniques. Questions incorporate data interpretation, scientific calculations, and experimental analysis, such as effects of light intensity on photosynthesis, blood flow during exercise, and translocation in plants. Keywords include “ATP,“ “enzyme activity,“ “surface area to volume ratio,“ “osmosis,“ “photosynthesis,“ “hormone regulation,“ and “translocation.“ It emphasizes practical applications, critical thinking, and problem-solving in biological contexts.