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6.15 Genetically modified plants and food production
Exam question
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Explain how genetically modified crops can improve food production.
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Total for this question: 3 marks
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
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What does Bt maize produce?
(1)Total for this question: 1 mark
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
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Explain why herbicide-resistant crops increase yield.
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Total for this question: 2 marks
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
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Explain why Bt crops reduce the need for pesticide spraying.
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Total for this question: 2 marks
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
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Explain one concern about growing herbicide-resistant crops.
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Total for this question: 2 marks
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
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Explain why Golden Rice was developed.
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Total for this question: 2 marks
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
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Suggest why insects may become resistant to Bt toxin.
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Total for this question: 2 marks
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
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Evaluate the use of GM crops.
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Total for this question: 4 marks
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
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Give two benefits of GM crops for farmers in developing countries.
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Total for this question: 2 marks
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
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Illustrative data.
| Crop | Yield / kg per hectare | Insecticide sprays per season |
|---|---|---|
| non-GM | 1 600 | 8 |
| Bt cotton | 2 100 | 2 |
Calculate the percentage increase in yield of Bt cotton.
(2)Total for this question: 2 marks
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
Mark points shown after marking
| Crop | Yield / kg per hectare | Insecticide sprays per season |
|---|---|---|
| non-GM | 1 600 | 8 |
| Bt cotton | 2 100 | 2 |
Explain the difference in insecticide sprays.
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Total for this question: 2 marks
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
Mark points shown after marking
| Crop | Yield / kg per hectare | Insecticide sprays per season |
|---|---|---|
| non-GM | 1 600 | 8 |
| Bt cotton | 2 100 | 2 |
Suggest why insecticide was still sprayed twice on Bt cotton.
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Total for this question: 2 marks
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
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State what is meant by a genetically modified organism.
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Total for this question: 1 mark
Lesson: 6.15 Genetically modified plants and food production
6.15 Genetically modified plants and food production
Exam question
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Identify the source of the Bt gene.
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Total for this question: 1 mark
Lesson: 6.15 Genetically modified plants and food production
