plumiSelection: CAIE IGCSE Biology questions
Every CAIE IGCSE Biology exam question on 18.3 Selection, June 2024 and the specimen papers, with its mark scheme and examiner’s report.
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Calculations
Q3(d)
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All 5 questions on Selection, as a list
- June 2024, Paper 1, Q36 (1 mark): The list shows statements about selection. 1 Individuals reproduce and pass on their alleles to the next generation. 2 Genetic variation exists between individu
- June 2024, Paper 2, Q36 (1 mark): The photograph shows a species of fish called a leafy sea-dragon. Leafy sea-dragons live in areas of the sea where seaweed is present. Which statements explain
- Specimen, Paper 1, Q34 (1 mark): Dates are a type of fruit. The table shows some features of the dates a farmer grows. variety colour texture yield size Barhee amber soft high small to medium D
- Specimen, Paper 2, Q34 (1 mark): Over the last 30 years some antibiotics have become less effective in treating bacterial infections. What is the reason for this? A artificial selection B asexu
- Specimen, Paper 3, Q3(d) (3 marks): A farmer has a group of goats. Some have white fur and some have black fur. Describe how the farmer can use selective breeding to produce a group of goats that
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