Biology 9-1 4BI1: Use of Biological Resources Topical Past Paper Questions
Edexcel IGCSE (9-1) Biology 9-1 (4BI1) past-paper questions on Use of Biological Resources, free. This topic is frequently examined across 13 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Hepatitis B is a virus that can infect humans. Scientists have developed edible vaccines for hepatitis B by genetically modifying potatoes. The genetically modified (GM) potatoes produce viral hepatitis B proteins on the surface of their cells. (a) The GM potatoes contain a viral…
(a) Using the recommended amount of fertiliser on a crop increases crop yield. Some farmers think that adding extra fertiliser will give an even greater crop yield. (i) Give a reason why adding extra fertiliser does not result in an even greater crop yield. (1) (ii) Some farmers…
The photograph shows a plant called a snapdragon. (Source: © BRIAN GADSBY/SCIENCE PHOTO LIBRARY) Selective breeding has been used to produce snapdragons with brightly coloured flowers. (a) (i) Describe how selective breeding can produce snapdragon plants with brightly coloured fl…
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