plumiPlanning: safety, ethics, errors and use of data: Edexcel International A Level Biology questions
Edexcel International A Level Biology past-paper questions on P.1.2 Planning: safety, ethics, errors and use of data, 2019–2025, with mark schemes and examiner’s reports where available.
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Q4(a)
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All 19 questions on Planning: safety, ethics, errors and use of data, as a list
- June 2025, Unit 6, Q4(a) (2 marks): Describe one ethical concern and one safety precaution the student must consider before practical work can begin. (2) Ethical concern Safety precaution
- January 2025, Unit 6, Q1(b) (1 mark): Suggest why using brine shrimps in this investigation does not create any ethical concerns. (1)
- October 2024, Unit 6, Q2(a) (2 marks): Describe how the scientist could reduce one risk when using this apparatus. (2) Risk How the scientist could reduce this risk
- June 2024, AS Unit 3, Q2(b) (4 marks): A student wanted to compare the heart of this fish with the heart of a mammal. The student planned to cut open the fish and remove its heart and to keep the hea
- June 2024, AS Unit 3, Q3(b)(iii) (2 marks): Explain two safety precautions that must be taken when preparing these plates. (2) 1 2
- June 2024, Unit 6, Q2(b)(iii) (1 mark): Give one way that this investigation should be conducted to avoid harming the fish. (1)
- January 2024, AS Unit 1, Q8(b)(v) (3 marks): Discuss the ethical issues relating to the use of primates and other animals in investigations such as this one. (3)
- October 2023, Unit 6, Q2(a) (2 marks): Suggest one risk the volunteer subjects might encounter when using this spirometer and how the student could reduce the risk. (2) Risk How the student could red
- June 2023, Unit 4, Q9(b)(i) (1 mark): Suggest why this study used rat and pig corpses instead of human corpses. (1)
- June 2023, Unit 6, Q2(b) (2 marks): Suggest one risk the scientist might encounter when carrying out this investigation and how you could reduce this risk. (2) Risk How to reduce the risk
- January 2023, Unit 6, Q2(a) (2 marks): Identify one risk that might be encountered when carrying out this technique and how this risk could be reduced. (2) Risk How this risk could be reduced
- October 2022, Unit 6, Q3(a)(i) (2 marks): Identify one risk associated with this investigation and how you could reduce this risk. (2) Risk How to reduce this risk
- June 2022, Unit 6, Q1(a) (1 mark): Each fish was returned to the source that the eggs came from. Suggest one reason why the scientist thought it was acceptable to carry out this investigation. (1
- January 2022, Unit 6, Q2(a) (1 mark): Suggest one reason why the student thought it was ethical to use snails in this investigation. (1)
- October 2021, Unit 5, Q3(b)(iii) (2 marks): Give two reasons why some people might have objections to the use of mammalian retinas in this investigation. (2)
- October 2021, Unit 6, Q3(a) (2 marks): Identify one risk you might encounter when carrying out this investigation and how you could reduce this risk. (2) Risk How to reduce this risk
- October 2020, Unit 6, Q3(a) (1 mark): State one safety issue you would need to take into account. (1)
- January 2020, AS Unit 3, Q3(a)(iv) (2 marks): Explain why the discs were removed carefully. (2)
- January 2019, AS Unit 1, Q7(a) (2 marks): The insects were removed from each gall before the investigation. Suggest why the insects were removed from the galls. (2)
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