Leaving Cert Ag Science: Scientific Practices & Investigation questions

How agricultural science is done: experimental design, laboratory and field methods, data handling and calculations.

74 past Ag Science questions on this topic, spanning 2015 to 2026, grouped by year. Every question opens on the exact page of the official paper, with its marking scheme beside it.

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2026 · 5 questions

Q610 marks

parasites, parasite control, sheep production

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Q910 marks

drainage, soil texture

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Q1110 marks

animal housing, animal welfare, farm safety

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Q1750 marks

beef production, liveweight gain, traceability

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Q1850 marks

plant breeding, genotyping, milk quality

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2025 · 6 questions

Q510 marks

weaning, animal nutrition, beef production

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Q1350 marks

dairy production, breeding, milk recording

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Q1450 marks

soil compaction, soil water, capillarity

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Q1650 marks

beef production, feed conversion, silage

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Q1750 marks

sheep production, breeding, animal housing

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Q1850 marks

reseeding, grassland, crop establishment

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2024 · 1 question

Q1650 marks

colostrum, calf rearing

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2023 · 2 questions

Q410 marks

animal breeding, beef

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Q810 marks

fertilisers, nitrate leaching

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2022 · 3 questions

Q310 marks

germination, crop production

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Q710 marks

suckler beef, weaning efficiency

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Q1650 marks

clover, milk production, grazing systems

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Show 7 earlier years (2015 to 2021)

2021 · 2 questions

Q210 marks

herbicide resistance, weed control, soil capillarity

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Q1550 marks

organic fertiliser, grass dry matter

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2020 · 3 questions

Q160 marks

crops, animal husbandry, soil

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Q448 marks

plant pigments, enzymes, capillarity

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Q948 marks

potatoes, soil profile, pests

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2019 · 3 questions

Q160 marks

crop production, soil science, animal physiology

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Q448 marks

mineral deficiency, milk analysis, silage digestibility

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Q848 marks

liver fluke, plant anatomy, ruminant digestion

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2018 · 2 questions

Q248 marks

soil profile, soil texture, earthworms

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Q448 marks

enzymes, pasture composition

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2017 · 3 questions

Q248 marks

soil, soil water, soil acidity

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Q448 marks

digestibility, silage, transpiration

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Q848 marks

carbon cycle, insects, pests

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2016 · 3 questions

Q160 marks

soil science, animal health, crop production

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Q448 marks

plant nutrition, crop yield, pasture

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Q848 marks

crop pests, nitrogen fertiliser

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2015 · 4 questions

Q160 marks

forestry, soil science

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Q248 marks

soil science, soil chemistry, podzol

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Q448 marks

grassland, microbiology

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Q848 marks

nitrogen cycle, grassland management, livestock units

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2026 · 4 questions

Q810 marks

soil organisms, soil biology, soil ph

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Q1210 marks

soil composition, soil texture

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Q1750 marks

carbon emissions, fertilisers, crop establishment

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Q1850 marks

milk quality, milk hygiene, udder anatomy

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2025 · 2 questions

Q1210 marks

sheep production, lamb mortality, growth rates

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Q1450 marks

soil temperature, germination, tillage crops

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2024 · 3 questions

Q1210 marks

plant growth

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Q1350 marks

grassland, botanical composition

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Q1650 marks

soil organic matter, soil investigation

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2023 · 3 questions

Q110 marks

soil science, soil ph

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Q1110 marks

soil organisms, earthworms

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Q1650 marks

milk quality, dairy production, animal nutrition

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2022 · 8 questions

Q310 marks

soil ph, soil analysis

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Q810 marks

microbiology, nitrogen fixation

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Q910 marks

sheep production, carcase classification

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Q1010 marks

silage, dry matter

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Q1350 marks

soil texture, soil sampling, soil analysis

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Q1550 marks

dairy production, grassland management, lactation

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Q1650 marks

grassland management, hay production, weed identification

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Q1850 marks

grass varieties, reseeding, genetic modification

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Show 7 earlier years (2015 to 2021)

2021 · 3 questions

Q710 marks

agricultural policy, genetics

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Q1450 marks

dairy production, milk quality, milking hygiene

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Q1750 marks

germination, grass seed

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2020 · 2 questions

Q120 marks

soil, soil texture

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Q320 marks

true or false

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2019 · 2 questions

Q120 marks

soil biology, earthworms

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Q320 marks

true or false

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2018 · 1 question

Q520 marks

true or false, crops, animal science

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2017 · 3 questions

Q520 marks

seed germination, plant science

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Q720 marks

farm practices

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Q1060 marks

grassland, reseeding, weed control

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2016 · 3 questions

Q120 marks

soil science, rocks, soil organisms

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Q420 marks
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Q1060 marks

potatoes, plant disease, crop cultivation

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2015 · 3 questions

Q220 marks

parasites, pests, invertebrates

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Q520 marks
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Q860 marks

grass conservation, silage, hay

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Other Ag Science topics

SoilsCrops & Plant ScienceGrassland & ForageAnimal Production & HusbandryAnimal Health & DiseaseGenetics & BreedingSustainability & EnvironmentFarm Management, Machinery & Safety

← All Ag Science past papers

Questions come from the official State Examinations Commission papers. Every link opens the original PDF on examinations.ie.