AQA · Geography · 8035
GCSE Geography: Food
Challenges in the human environment · AQA GCSE Geography (8035), specification point 3.2.3.2. Cards are generated from the exam board's own specification for "Food", and every card links back to the page it came from. Specification © AQA — used with attribution.
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Give two reasons for rising global food consumption.
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Economic development and rising population.
Name three physical factors that affect food supply.
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Climate, pests and disease, and water stress.
Name three human factors that affect food supply.
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Technology, conflict, and poverty.
Food security is when an area has a ? of food; food insecurity is when it has a deficit.
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surplus
Name three impacts of food insecurity.
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Any three of: famine, undernutrition, soil erosion, rising prices, social unrest.
What is undernutrition?
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A condition where a person does not eat enough food (or nutrients) to stay healthy — an impact of food insecurity.
What is the difference between hydroponics and aeroponics?
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Hydroponics grows plants in nutrient-rich water without soil; aeroponics grows them in air, misting the roots with nutrient solution.
What is irrigation?
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The artificial supply of water to farmland to increase food supply, especially in dry areas.
The new ? uses biotechnology, GM crops and modern techniques to increase yields more sustainably than the original 1960s version.
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green revolution
What is appropriate technology in the context of food supply?
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Low-cost, simple technology suited to the skills, materials and needs of the local community (e.g. treadle pumps, drip irrigation).
What is permaculture?
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A sustainable farming approach that mimics natural ecosystems — mixed crops, no chemicals, and minimal waste.
Why does eating seasonal food make food supply more sustainable?
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It avoids the energy, transport and heated-greenhouse costs of producing or importing food out of season.
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