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Biology A H420 Free Topical Past Papers

OCR A-Level Biology A H420 past-paper questions grouped by official syllabus topic. Free archive, no signup. Want step-by-step worked solutions? See Biology A Topical Solved.

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6 topics covered, mapped to the official OCR 2026 syllabus.

Topic 1

Development of practical skills in biology

2 subtopics

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Topic 2

Foundations in biology

1 subtopic

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Topic 3

Exchange and transport

1 subtopic

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Topic 4

Biodiversity, evolution and disease

2 subtopics

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Topic 5

Communication, homeostasis and energy

2 subtopics

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Topic 6

Genetics, evolution and ecosystems

3 subtopics

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