Reasons for maintaining biodiversity: OCR A‑Level Biology A questions
OCR A-Level Biology A past-paper questions on 4.2.1.5 Reasons for maintaining biodiversity, 2016–2025, with mark schemes and examiner’s reports where available.
Paper
All papers
Exam
All years
Calculations
Q19(a)(i)
The whole paper ↗
Q1(c)
The whole paper ↗Q18(b)
The whole paper ↗
Q24(b)(ii)
The whole paper ↗
- Your answer
- Your answer
All 7 questions on Reasons for maintaining biodiversity, as a list
- June 2025, Paper 2, Q19(a)(i) (3 marks): Identify evidence from the information above that supports each of the following claims: Puffins are important for aesthetic reasons Puffins are important for e
- June 2024, AS Paper 2, Q1(c) (1 mark): Black oak trees are an example of a keystone species within an oak woodland ecosystem in England. Suggest what would happen to the ecosystem if the black oak tr
- June 2022, Paper 2, Q18(b) (3 marks): Maintaining biodiversity in the Maasai Mara is important. The following are some statements about biodiversity in the Maasai Mara: A People visit the Maasai Mar
- November 2021, AS Paper 1, Q24(b)(ii) (2 marks): Explain the importance of maintaining biodiversity for the discovery of new antibiotics like phazolicin. [2]
- November 2020, AS Paper 1, Q5 (1 mark): The image below shows Dawlish Warren, which is a conservation area in the UK. Which of the following is an aesthetic reason for maintaining biodiversity in Dawl
- June 2018, Paper 2, Q18 (6 marks): 18* For centuries, artificial selection has been used to improve the quality of crop plants used for human consumption. Explain, with reference to selective bre
- June 2017, AS Paper 1, Q13 (1 mark): Tropical rainforests have a very high biodiversity of plant species. Which of the statements, A to D, is an economic benefit of high biodiversity? A High plant
Questions, mark schemes and examiner’s reports are © OCR, from their published past papers. Plumi isn’t affiliated with any exam board. Want whole papers? OCR A-Level Biology A past papers, or our free OCR-style practice pack.
The Plumi iPad app also offers exam-style questions with AI feedback on your handwritten working.