plumiShould we use stem cells to treat damage and disease?: OCR GCSE Biology B questions
Every OCR GCSE Biology B exam question on B4.5 Should we use stem cells to treat damage and disease?, 2018–2025, with its mark scheme and examiner’s report.
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Q6(e)
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Q7(b)(i)
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Q7(b)(ii)
The whole paper ↗Q5(d)(i)
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Q5(d)(ii)
The whole paper ↗Q7(c)(iv)
The whole paper ↗Q6(a)(i)
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Q6(a)(ii)
The whole paper ↗Q6(b)
The whole paper ↗Q6(c)(i)
The whole paper ↗Q6(c)(ii)
The whole paper ↗Q9(c)
The whole paper ↗Q9(d)
The whole paper ↗Q9(e)
The whole paper ↗Q9(f)
The whole paper ↗Q6(c)
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Q5(c)(iii)
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Q5(c)(iv)
The whole paper ↗Q5(a)(i)
The whole paper ↗
Q5(a)(ii)
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All 22 questions on Should we use stem cells to treat damage and disease?, as a list
- June 2024, Paper 1 Foundation, Q6(e) (2 marks): Surgical removal of cataracts in babies can be done, but there may be problems after surgery. In a study, scientists removed the lens from 12 babies with catara
- June 2024, Paper 3 Higher, Q7(b)(i) (2 marks): Explain how the new lens grew from the stem cells. [2]
- June 2024, Paper 3 Higher, Q7(b)(ii) (1 mark): Suggest why some parents may be concerned about this trial procedure being used on their babies. [1]
- June 2023, Paper 4 Higher, Q5(d)(i) (2 marks): Explain how injecting embryonic stem cells into the pancreas could help to treat type 1 diabetes. [2]
- June 2023, Paper 4 Higher, Q5(d)(ii) (3 marks): Discuss one benefit, one risk and one ethical issue with using embryonic stem cells to treat type 1 diabetes. Benefit Risk Ethical issue [3]
- June 2022, Paper 3 Higher, Q7(c)(iv) (3 marks): Scientists are investigating the use of stem cells to treat Alzheimer’s disease. They implanted human stem cells into the brains of mice. They observed changes
- November 2021, Paper 1 Foundation, Q6(a)(i) (1 mark): What is a stem cell? [1]
- November 2021, Paper 1 Foundation, Q6(a)(ii) (1 mark): Stem cells can be taken from embryos. Give one reason why people are against the use of these stem cells. [1]
- November 2021, Paper 1 Foundation, Q6(b) (2 marks): Trials using stem cells are not risk free. Give one benefit and one risk of taking part in the trial. Benefit Risk [2]
- November 2021, Paper 1 Foundation, Q6(c)(i) (2 marks): Describe what happens during peer review. [2]
- November 2021, Paper 1 Foundation, Q6(c)(ii) (1 mark): Publishing research in peer-reviewed journals is one way of communicating the scientists’ findings. Identify who else would be interested in finding out about t
- November 2021, Paper 3 Higher, Q9(c) (2 marks): Multiple sclerosis is an autoimmune disease. This means the body’s immune system attacks healthy body cells. A new treatment has been trialled which scientists
- November 2021, Paper 3 Higher, Q9(d) (1 mark): Information about the clinical trial is given in Fig. 9.2. Multiple sclerosis (MS) clinical trial • 24 patients were involved • All patients had advanced MS • R
- November 2021, Paper 3 Higher, Q9(e) (1 mark): The results of this study were published in a peer reviewed journal. Why would this give other scientists confidence in the findings? [1]
- November 2021, Paper 3 Higher, Q9(f) (1 mark): 24 patients took part in this study. Only half of the patients were reassessed after 3 years. Why is this a concern? [1]
- November 2020, Paper 1 Foundation, Q6(c) (2 marks): People with Type 1 diabetes cannot make enough insulin. Scientists think stem cells could be used to enable the pancreas to produce insulin again. What two prop
- November 2020, Paper 4 Higher, Q5(c)(iii) (2 marks): Doctors hope to use embryonic stem cells to treat the brain damage caused by Huntington’s disease. Explain how stem cells can be used for this type of treatment
- November 2020, Paper 4 Higher, Q5(c)(iv) (2 marks): Discuss risks and ethical issues associated with this type of treatment. [2]
- June 2018, Paper 1 Foundation, Q5(a)(i) (2 marks): Explain what a stem cell is and why they are used in medicine. [2]
- June 2018, Paper 1 Foundation, Q5(a)(ii) (1 mark): The article explains that stem cells were removed from a dog’s fat tissues and were then grown in a laboratory. Explain why a vet would have used aseptic techni
- June 2018, Paper 1 Foundation, Q5(a)(iv) (2 marks): The use of stem cells in veterinary medicine is increasing but there are no peer reviewed case studies. Describe the peer review process and explain why peer re
- June 2018, Paper 3 Higher, Q3(c)(iii) (1 mark): Scientists have been investigating the use of stem cells in the treatment of Parkinson’s disease. Suggest one feature of stem cells that makes them useful in th
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