Agriculture quiz
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Which farm animal outnumbers people more than three to one?
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More questions about Agriculture
These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.
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What fish does Norway farm the most?
Answer: Salmon
Why: Astaxanthin turns salmon flesh pink: wild salmon get it from krill, and farmed salmon get it in their feed.
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How much of the fresh water people withdraw goes to farms?
Answer: About 70%
Why: Homes and cities take only about 12% of the fresh water people withdraw, and industry about 19%.
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How many people eat as much as a 1 km² locust swarm daily?
Answer: About 35,000
Why: Desert locust swarms can also travel up to 150 km in a single day.
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What did the Nile's yearly flood leave on Egypt's fields?
Answer: Silt
Why: Since the Aswan High Dam was finished in 1970, it traps that silt, so Egypt's farmers have turned to chemical fertiliser.
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What pollinates maize?
Answer: Wind
Why: Each silk on an ear leads to one kernel, so every kernel needs its own pollen grain to land on its silk.
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What gave Bt crops the gene for their own insecticide?
Answer: A bacterium
Why: Bt sprays, on sale since 1938, use this same bacterium and are allowed in organic farming.
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