H420

OCR A-level Biology A past papers

OCR A-level Biology A H420 question papers, mark schemes and examiner reports organised by exam series, with official OCR assessment links.

OCR A · H420

OCR A-level Biology A

Biological processes, biological diversity and unified biology, with practical skills across the papers.

9 series · 27 papers

Specification Official resource page

Revising first-year content?AS papers provide additional practice on the first-year course content.

AS OCR H020 papers

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Jump to:June 2025 June 2024 June 2023 June 2022 November 2021 November 2020 June 2019 June 2018 June 2017

01June 2025

3 papers

Full A-level H420

H420/01

Biological processes

Modules 1, 2, 3 and 5

100 marks
2 hours 15 minutes

Question paper Mark scheme Examiner report

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Status Score

/ 100

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Full A-level H420

H420/02

Biological diversity

Modules 1, 2, 4 and 6

100 marks
2 hours 15 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/03

Unified biology

All six modules

70 marks
1 hour 30 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 70

—

02June 2024

3 papers

Full A-level H420

H420/01

Biological processes

Modules 1, 2, 3 and 5

100 marks
2 hours 15 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/02

Biological diversity

Modules 1, 2, 4 and 6

100 marks
2 hours 15 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/03

Unified biology

All six modules

70 marks
1 hour 30 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 70

—

03June 2023

3 papers

Full A-level H420

H420/01

Biological processes

Modules 1, 2, 3 and 5

100 marks
2 hours 15 minutes

Question paper Erratum Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/02

Biological diversity

Modules 1, 2, 4 and 6

100 marks
2 hours 15 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/03

Unified biology

All six modules

70 marks
1 hour 30 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 70

—

04June 2022

3 papers

Full A-level H420

H420/01

Biological processes

Modules 1, 2, 3 and 5

100 marks
2 hours 15 minutes

Question paper Insert Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/02

Biological diversity

Modules 1, 2, 4 and 6

100 marks
2 hours 15 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/03

Unified biology

All six modules

70 marks
1 hour 30 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 70

—

05November 2021

3 papers

Full A-level H420

H420/01

Biological processes

Modules 1, 2, 3 and 5

100 marks
2 hours 15 minutes

Question paper Insert Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/02

Biological diversity

Modules 1, 2, 4 and 6

100 marks
2 hours 15 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/03

Unified biology

All six modules

70 marks
1 hour 30 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 70

—

06November 2020

3 papers

Full A-level H420

H420/01

Biological processes

Modules 1, 2, 3 and 5

100 marks
2 hours 15 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/02

Biological diversity

Modules 1, 2, 4 and 6

100 marks
2 hours 15 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/03

Unified biology

All six modules

70 marks
1 hour 30 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 70

—

07June 2019

3 papers

Full A-level H420

H420/01

Biological processes

Modules 1, 2, 3 and 5

100 marks
2 hours 15 minutes

Question paper Insert Mark scheme

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/02

Biological diversity

Modules 1, 2, 4 and 6

100 marks
2 hours 15 minutes

Question paper Erratum Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/03

Unified biology

All six modules

70 marks
1 hour 30 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 70

—

08June 2018

3 papers

Full A-level H420

H420/01

Biological processes

Modules 1, 2, 3 and 5

100 marks
2 hours 15 minutes

Question paper Insert Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/02

Biological diversity

Modules 1, 2, 4 and 6

100 marks
2 hours 15 minutes

Question paper Correction Insert Mark scheme Examiner report

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/03

Unified biology

All six modules

70 marks
1 hour 30 minutes

Question paper Mark scheme Examiner report

Add score or status—

Status Score

/ 70

—

09June 2017

3 papers

Full A-level H420

H420/01

Biological processes

Modules 1, 2, 3 and 5

100 marks
2 hours 15 minutes

Question paper Insert Correction Mark scheme

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/02

Biological diversity

Modules 1, 2, 4 and 6

100 marks
2 hours 15 minutes

Question paper Erratum Mark scheme

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/03

Unified biology

All six modules

70 marks
1 hour 30 minutes

Question paper Insert Mark scheme Examiner report

Add score or status—

Status Score

/ 70

—

Practice material

Sample and specimen papers

01Sample assessment materials

3 papers

Full A-level H420

H420/01

Biological processes · Sample

Modules 1, 2, 3 and 5

100 marks
2 hours 15 minutes

Question paper and mark scheme

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/02

Biological diversity · Sample

Modules 1, 2, 4 and 6

100 marks
2 hours 15 minutes

Question paper and mark scheme

Add score or status—

Status Score

/ 100

—

Full A-level H420

H420/03

Unified biology · Sample

All six modules

70 marks
1 hour 30 minutes

Question paper and mark scheme

Add score or status—

Status Score

/ 70

—

Official guidance

Supporting resources

Exploring the OCR Biology A papers Exam hints for students

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