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Answer each question and check where every mark went.
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Structured questions0 / 4
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Question 1
A farmer applies large quantities of fertiliser to fields beside a lake. Some of the fertiliser is washed into the lake, and the fish in the lake later die.
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10 marksOpen › - 2
Question 2
Human insulin is produced on a commercial scale by genetically modified bacteria. People with type 1 diabetes are treated with this insulin.
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10 marksOpen › - 3
Question 3
Penicillin is produced on a large scale by growing the fungus Penicillium in a fermenter.
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10 marksOpen › - 4
Question 4
Crop plants can be genetically modified. Farming practices also affect the ecosystems in which crops are grown.
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10 marksOpen ›