16 exam-style questions. Write your answer, check it against the mark scheme and tick the points you earned. Your marks stay on this device. Your writing is not saved.
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6.1 Glasshouses and polythene tunnels
Exam question
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Explain how growing crops in glasshouses increases yield.
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Total for this question: 4 marks
6.1 Glasshouses and polythene tunnels
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Why are paraffin heaters used in glasshouses?
(1)Total for this question: 1 mark
6.1 Glasshouses and polythene tunnels
Exam question
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Explain why polythene tunnels are used to grow strawberries early in the year.
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Total for this question: 2 marks
6.1 Glasshouses and polythene tunnels
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Explain why glasshouses become warm.
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Total for this question: 2 marks
6.1 Glasshouses and polythene tunnels
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Suggest and explain one disadvantage of growing crops in glasshouses.
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Total for this question: 2 marks
6.1 Glasshouses and polythene tunnels
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Explain why pests can spread quickly in a glasshouse.
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Total for this question: 2 marks
6.1 Glasshouses and polythene tunnels
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Compare glasshouses and polythene tunnels.
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Total for this question: 2 marks
6.1 Glasshouses and polythene tunnels
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Explain why farmers may not raise glasshouse temperature above about 25 °C.
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Total for this question: 2 marks
6.1 Glasshouses and polythene tunnels
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State two factors that can be controlled in a glasshouse.
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Total for this question: 2 marks
6.1 Glasshouses and polythene tunnels
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Explain why crops can be grown out of season in glasshouses.
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Total for this question: 2 marks
6.1 Glasshouses and polythene tunnels
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Suggest why biological control is often used in glasshouses.
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Total for this question: 2 marks
6.1 Glasshouses and polythene tunnels
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Explain why artificial lighting increases yield in winter.
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Total for this question: 2 marks
6.1 Glasshouses and polythene tunnels
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Identify the gas added to glasshouses to increase photosynthesis.
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Total for this question: 1 mark
6.1 Glasshouses and polythene tunnels
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Explain why watering is controlled in a glasshouse.
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Total for this question: 2 marks
6.1 Glasshouses and polythene tunnels
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Evaluate the use of glasshouses for growing tomatoes in a cold country.
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Total for this question: 3 marks
