Biology › Past papers › OCR Biology A › Biological diversity
OCR A-level Biology A H420 Paper 2: Biological diversity
H420/02 · 2 hours 15 minutes · 100 marks · 37.0% of the A level.
What it examines
Modules 1, 2, 4 and 6.
Modules 1 and 2 are assessed here and on component 01 too, so the foundations are examined twice across the two long papers.
Where to get the papers
June 2025
- Question paper - Biological diversity (H420/02), June 2025
- Mark scheme - Biological diversity (H420/02), June 2025
- Examiners' report - Biological diversity (H420/02), June 2025
June 2024
- Question paper - Biological diversity (H420/02), June 2024
- Mark scheme - Biological diversity (H420/02), June 2024
- Examiners' report - Biological diversity (H420/02), June 2024
June 2023
- Question paper - Biological diversity (H420/02), June 2023
- Mark scheme - Biological diversity (H420/02), June 2023
- Examiners' report - Biological diversity (H420/02), June 2023
June 2022
- Question paper - Biological diversity (H420/02), June 2022
- Mark scheme - Biological diversity (H420/02), June 2022
- Examiners' report - Biological diversity (H420/02), June 2022
November 2021
- Question paper - Biological diversity (H420/02), November 2021
- Mark scheme - Biological diversity (H420/02), November 2021
- Examiners' report - Biological diversity (H420/02), November 2021
November 2020
- Question paper - Biological diversity (H420/02), November 2020
- Mark scheme - Biological diversity (H420/02), November 2020
- Examiners' report - Biological diversity (H420/02), November 2020
June 2019
- Question paper - Biological diversity (H420/02), June 2019
- Mark scheme - Biological diversity (H420/02), June 2019
- Examiners' report - Biological diversity (H420/02), June 2019
- Erratum notice - Biological diversity (H420/02), June 2019
June 2018
- Question paper - Biological diversity (H420/02), June 2018
- Question paper - Biological diversity insert (H420/02), June 2018
- Question paper - Biological diversity post-exam correction (H420/02), June 2018
- Mark scheme - Biological diversity (H420/02), June 2018
- Examiners' report - Biological diversity (H420/02), June 2018
June 2017
- Question paper - Biological diversity (H420/02), June 2017
- Question paper - Biological diversity erratum (H420/02), June 2017
- Mark scheme - Biological diversity (H420A/02), June 2017
OCR publishes the H420/02 papers it makes public on OCR’s assessment page for Biology A H020/H420, with the other papers in the qualification. The H420 past papers page shows what is published and when we last checked.
We checked these links against the exam boards’ websites on 31 August 2026. We do not host or reproduce past papers or mark schemes. If a link has moved, go to the board’s own past papers page.