Combined Science 8464/1H June 2021

AQA GCSE Combined Science (8464) Jun 2021

معلم موافق رایگان بودن است.

The November 2021 GCSE Combined Science Biology Paper 1 (Higher Tier) examines photosynthesis, emphasizing light intensity effects and temperature control in experiments. Digestive processes are evaluated through enzyme activity and nutrient testing methods for proteins, starch, and sugars. Fermentation is analyzed under varying temperatures, highlighting yeast metabolism. Pathogen-related topics include diseases like gonorrhea, malaria, and measles, alongside plant diseases such as tobacco mosaic virus. Cardiovascular health explores heart function, treatments for heart attacks, and stem cell applications in tissue repair. Plant transport systems address water movement, phloem specialization, and sugar translocation. Keywords: biology, photosynthesis, enzymes, pathogens, heart health, plant transport.