Lesson 4.7.5.1

4.7.5.1 Factors affecting food security Quiz: AQA Biology, Unit 7

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

In partnership with Revision Ninja

Lesson 4.7.5.1, Factors affecting food security: 20 multiple choice questions for the AQA GCSE Biology (8461), Unit 7: Ecology, 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.

Host this setFree Play

The 20 questions

  1. What is the definition of food security?

    • Having enough food
    • Eating organic food
    • Exporting surplus crops
    • Farming without chemicals

  2. What effect does an increasing birth rate have on food security?

    • Threatens food security
    • Increases crop yield
    • Improves food security
    • Has no effect

  3. Which biological factor threatens food security?

    • Drought conditions
    • Armed conflicts
    • New pathogens
    • Input costs

  4. What is a consequence of changing diets in developed countries?

    • Lower food prices
    • Transporting scarce food
    • Increased local farming
    • Higher crop yields

  5. Which environmental factor can directly cause widespread famine?

    • Organic farming
    • Crop rotation
    • Rain failure
    • Warm weather

  6. Which economic factor can threaten food security?

    • New pathogens
    • High input costs
    • Changing diets
    • Famine from drought

  7. What essential resources can war or conflict restrict, threatening food security?

    • Minerals and metals
    • Water and food
    • Solar energy
    • Fossil fuels

  8. What type of methods must be found to feed all people on Earth?

    • Non-renewable methods
    • Sustainable methods
    • Traditional methods
    • Intensive methods

  9. A country's food production falls because rains fail. What type of factor is this?

    • Political conflict
    • Environmental change
    • Economic cost change
    • Biological pathogen

  10. A new fungal disease spreading across wheat crops is an example of which biological threat?

    • Changing diet
    • New pathogen
    • High input cost
    • Environmental change

  11. Which demographic factor can threaten food security if it increases rapidly in a country?

    • Migration rate
    • Life expectancy
    • Birth rate
    • Death rate

  12. High prices for fertilisers and machinery represent which threat to food security?

    • Environmental changes
    • Changing diets
    • Agricultural input costs
    • New pathogens

  13. Demand for imported food transported long distances is caused by what factor in developed nations?

    • High birth rates
    • Agricultural input costs
    • Changing diets
    • New pathogens

  14. What term describes having enough food to feed a population?

    • Food security
    • Biomass transfer
    • Sustainable farming
    • Intensive production

  15. Drought causing widespread rainfall failure and crop loss is an example of what threat?

    • High input cost
    • New pathogen
    • Environmental change
    • Changing diet

  16. Widespread famine occurring when rains fail in a region is caused by what factor?

    • Environmental change
    • Changing diets
    • Armed conflict
    • Input costs

  17. Country A has a high birth rate and poor farming inputs. Country B has a low birth rate and stable inputs. Which is more at risk?

    • Both equally
    • Country A
    • Country B
    • Neither

  18. What key threat to food security occurs when the price of fertiliser increases?

    • Agricultural input costs
    • Environmental changes
    • Increasing birth rates
    • Changing diets

  19. Transporting scarce food globally to meet changing diets in wealthy nations threatens what?

    • Food security
    • Genetic diversity
    • Photosynthesis rates
    • Trophic efficiency

  20. A region needs 1,200 tonnes of grain but only 900 tonnes are supplied. What is the percentage shortfall?

    • 33%
    • 25%
    • 75%
    • 10%

All AQA Biology quizzes