Science and practice of farming. Play Agriculture trivia solo to sharpen your knowledge, or challenge a friend head-to-head in Trivia Tango — every question comes with an explanation so you learn as you play. Questions span every level, from easy warm-ups to expert-level stumpers, so there's a real challenge here however much you already know.
A mix of easy, medium and hard — questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.
This large farm animal, milked twice daily, supplies the dairy that becomes butter, cheese, and yogurt.
Difficulty: EasyThis protein-rich legume from East Asia is crushed for cooking oil, pressed into tofu, and fed to livestock worldwide.
Difficulty: MediumThis early-1900s industrial method fixes atmospheric nitrogen into ammonia, enabling the synthetic fertilizers that feed half of humanity.
Difficulty: HardFarmers drive this powerful engine-driven machine to pull plows, haul trailers, and power other equipment around the field.
Difficulty: EasyLegumes host root bacteria that pull this gas from the air and lock it into the soil as natural plant food.
Difficulty: MediumWhen fertilizer runoff floods waterways with nutrients, algae bloom explosively and choke off oxygen in this damaging process.
Difficulty: HardGolden fields of this grain are milled into the flour used to bake most of the world's bread.
Difficulty: EasyPeas, beans, and clover belong to this plant family famous for enriching soil through their nitrogen-fixing roots.
Difficulty: Medium