Biological World: plants and photosynthesis, habitats, food webs, classification, micro-organisms, genetics, evolution and biodiversity.
17 past Science questions on this topic, spanning 2019 to 2026, grouped by year. Every question opens on the exact page of the official paper, with its marking scheme beside it.
Questions come from the official State Examinations Commission papers. Every link opens the original PDF on examinations.ie.