11 exam-style questions · Biology only (B): not in Science (Double Award). 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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4.37B Ionising radiation and chemical mutagens
Exam question
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State two factors that increase the rate of mutation.
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Total for this question: 2 marks
4.37B Ionising radiation and chemical mutagens
Exam question
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Which of these is a chemical mutagen?
(1)Total for this question: 1 mark
4.37B Ionising radiation and chemical mutagens
Exam question
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Explain why radiographers stand behind a screen when taking X-rays.
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Total for this question: 2 marks
4.37B Ionising radiation and chemical mutagens
Exam question
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Explain why sunbathing increases the risk of skin cancer.
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Total for this question: 2 marks
4.37B Ionising radiation and chemical mutagens
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Suggest why lead aprons are used to cover the reproductive organs during dental X-rays.
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Total for this question: 2 marks
4.37B Ionising radiation and chemical mutagens
Exam question
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Explain how ionising radiation causes mutations.
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Total for this question: 2 marks
4.37B Ionising radiation and chemical mutagens
Exam question
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Illustrative data.
| UV exposure / s | Colonies with mutations |
|---|---|
| 0 | 2 |
| 10 | 9 |
| 20 | 18 |
| 30 | 31 |
| 40 | 45 |
Describe the relationship shown by the data.
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Total for this question: 2 marks
4.37B Ionising radiation and chemical mutagens
Exam question
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| UV exposure / s | Colonies with mutations |
|---|---|
| 0 | 2 |
| 10 | 9 |
| 20 | 18 |
| 30 | 31 |
| 40 | 45 |
Explain why some colonies had mutations at 0 s.
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Total for this question: 2 marks
4.37B Ionising radiation and chemical mutagens
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Suggest why workers in nuclear power stations wear radiation badges.
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Total for this question: 2 marks
4.37B Ionising radiation and chemical mutagens
Exam question
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Identify the type of radiation in sunlight that is a mutagen.
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Total for this question: 1 mark
4.37B Ionising radiation and chemical mutagens
Exam question
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Explain why some chemotherapy drugs are mutagens but are still used to treat cancer.
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Total for this question: 2 marks
