Lesson Y8-U06-L08

Can We Feed 10 Billion Sustainably? Quiz: KS3 Geography, Unit 12

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson Y8-U06-L08, Can We Feed 10 Billion Sustainably?: 20 multiple choice questions for the KS3 Geography (National Curriculum), Unit 12: Year 8: Resources: Feeding and Powering the World, written with Revision Ninja.

Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.

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The 20 questions

  1. What does the term 'sustainable' mean?

    • Ignoring future costs
    • Using everything quickly
    • Meeting present needs
    • Stopping all farming

  2. What does 'food security' mean for a population?

    • Surplus grain storage
    • Reliable safe food
    • Zero food imports
    • Only eating meat

  3. What is soil degradation?

    • Increased rainfall
    • Nutrient loss
    • Rock formation
    • Soil freezing

  4. What is the key feature of vertical farming?

    • Deep underground pits
    • Stacked indoor shelves
    • Open field ploughing
    • Floating marine cages

  5. What is a core principle of organic farming?

    • No artificial chemicals
    • Maximum pesticide use
    • Heavy chemical fertilisers
    • Indoor artificial lights

  6. Roughly what share of the planet's habitable land is used for farming?

    • About 13 percent
    • About 50 percent
    • About 90 percent
    • About 37 percent

  7. Roughly what share of food crops depend on animal pollinators?

    • Exact half
    • All crops
    • One in ten
    • Three in four

  8. Which natural system do crops need to get water and nutrients to their roots?

    • Long nights
    • Strong winds
    • Rocky mountains
    • Healthy soil

  9. Which of these is a way farming can harm water resources?

    • Planting trees
    • Draining rivers
    • Rotating crops
    • Adding hedgerows

  10. Why is draining a river for agricultural irrigation problematic?

    • Increases soil fertility
    • Cleans riverbeds
    • Reduces downstream water
    • Stops global warming

  11. Which farming method uses very little land and water?

    • Traditional shifting
    • Arable field farming
    • Pastoral grazing
    • Vertical farming

  12. Which strategy protects soil and wildlife by avoiding artificial chemicals?

    • Clearing new forest
    • Organic farming
    • Intensive farming
    • Vertical farming

  13. Comparing land use per food unit: which farming strategy needs the least land?

    • Pasture grazing
    • Vertical farming
    • Field farming
    • Organic farming

  14. Why does organic farming often need more land for the same food yield?

    • Faster plant growth
    • Indoor glasshouses
    • Higher chemical use
    • Lower crop yields

  15. What is the main environmental drawback of vertical farming?

    • Severe soil erosion
    • Heavy pesticide runoff
    • High electricity use
    • Excessive land use

  16. Why must vertical farming use renewable energy to be truly sustainable?

    • Excess land usage
    • Low water consumption
    • High electricity use
    • Zero carbon emissions

  17. Why can no single farming strategy feed 10 billion people sustainably on its own?

    • Infinite food supply
    • Zero environmental impact
    • Conflicting trade-offs
    • Universal crop suitability

  18. Which key challenge limits the overall sustainability of vertical farming?

    • Low crop yields
    • Heavy electricity demand
    • Excessive land usage
    • High water wastage

  19. Which action best improves global food security regarding harvests?

    • Increase synthetic fertilisers
    • Import more food
    • Expand farmland area
    • Reduce food waste

  20. What does a sustainable farming strategy successfully protect for the future?

    • Corporate profits
    • Global food prices
    • Fossil fuel reserves
    • Natural systems

All KS3 Geography quizzes