Leaving Cert Ag Science: Crops & Plant Science questions

Tillage and root crops, plant structure and physiology, and the weeds, pests and diseases that affect them.

104 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.

0 of 0 doneSaved on this device.

2026 · 4 questions

Q210 marks

carbon cycle

Q1850 marks

performance testing, genotyping, milk quality

2025 · 7 questions

Q210 marks

cattle breeds, beef production

Q710 marks

soil microbiome, soil health, carbon sequestration

Q810 marks

nitrogen cycle, soil fertility

Q910 marks

soil ph, soil testing

Q1210 marks

breeding, water quality

Q1550 marks

genetic inheritance

Q1850 marks

reseeding, grassland, scientific investigation

2024 · 3 questions

Q1850 marks

crossbreeding, genotyping

2023 · 4 questions

Q1550 marks

soil texture, soil ph, liming

Q1750 marks

grassland management, reseeding, grass varieties

2022 · 7 questions

Q310 marks

experimental design

Q810 marks

sustainability, organic farming, antibiotics

Q1110 marks

active transport, mycorrhizae, nutrient deficiency

Q1350 marks

grassland management, grass measurement, reseeding

Q1750 marks

soil biology, earthworms, gene editing

Q1850 marks

food safety, sustainability, farm economics

Show 7 earlier years (2015 to 2021)

2021 · 5 questions

Q210 marks

soil capillarity, experimental design

Q610 marks

soil structure, soil organic matter, carbon cycle

Q1850 marks

sustainable intensification, lactation, heat detection

2020 · 4 questions

Q160 marks

short questions, animal husbandry, soil

Q348 marks

sheep production

Q448 marks

experiments, enzymes, capillarity

Q948 marks

scientific explanations, soil profile

2019 · 4 questions

Q160 marks

soil science, animal physiology, short questions

Q348 marks

suckler beef production, silage, micro-organisms

Q848 marks

liver fluke, ruminant digestion, definitions

2018 · 4 questions

Q160 marks

livestock units, animal physiology, farm ecology

Q348 marks

body condition score, cattle disease

Q748 marks

genetics, dihybrid cross, embryo transfer

Q848 marks

silage, grazing systems

2017 · 4 questions

Q160 marks

grassland, soil, animal physiology

Q348 marks

beef production, farmyard waste

Q448 marks

experiments, digestibility, silage

Q848 marks

carbon cycle, terminology

2016 · 5 questions

Q160 marks

short answer, soil science, animal health

Q448 marks

experiments, pasture

Q848 marks

nitrogen fertiliser, terminology

Q948 marks

parasites, pig production, silage

2015 · 2 questions

Q348 marks

dairy enterprise, calf rearing

Q648 marks

fertilisers

0 of 0 doneSaved on this device.

2026 · 4 questions

Q210 marks

sustainable farming, water quality

Q1010 marks

grassland weeds

Q1750 marks

carbon emissions, fertilisers, experimental design

2025 · 6 questions

Q310 marks

farm machinery

Q510 marks

soil composition

Q610 marks

biodiversity, sustainability

Q710 marks

grassland species

Q1450 marks

soil temperature, scientific investigation

Q1750 marks

soil biology, flocculation, livestock systems

2024 · 3 questions

Q910 marks

nitrogen fixation, water quality

Q1210 marks

experimental design, variables

Q1750 marks

artificial insemination

2023 · 3 questions

Q410 marks

sustainable farming, grassland management

Q1210 marks

agricultural technology

Q1450 marks

biodiversity, farm safety, sustainable farming

2022 · 3 questions

Q610 marks

farm safety

Q710 marks

nutrient deficiency

Q1650 marks

grassland management, hay production, data analysis

Show 7 earlier years (2015 to 2021)

2021 · 4 questions

Q110 marks

grassland weeds

Q1750 marks

experimental design, grass seed, graphing

Q1850 marks

natural selection, animal breeding, liveweight gain

2020 · 2 questions

Q1260 marks

excretion

Q1360 marks

soil properties, sheep production, animal nutrition

2019 · 4 questions

Q620 marks

farm practices, animal husbandry

Q960 marks

grassland management, silage

Q1360 marks

blood and circulation, forestry

2018 · 5 questions

Q520 marks

general knowledge, true or false, animal science

Q620 marks

grassland

Q1360 marks

sheep production, calf rearing, teeth

2017 · 6 questions

Q320 marks

true or false, animal physiology

Q520 marks

experiments

Q1060 marks

grassland, reseeding, experiments

Q1360 marks

dairy, pollution, weanlings

2016 · 6 questions

Q320 marks

farm practices, soil testing, dairy cattle

Q620 marks

parasites

Q1060 marks

experiments

Q1360 marks

sheep production, pig production, dairy management

2015 · 5 questions

Q220 marks

classification, parasites

Q320 marks

true or false, animal disease, nutrition

Q1360 marks

sheep production, milk composition, pig production

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