Cambridge (CAIE) · O Level · Free archive

Biology 5090 Free Topical Past Papers

Cambridge International (CAIE / CIE) O Level Biology 5090 past-paper questions grouped by official syllabus topic. Free archive, no signup. Want step-by-step worked solutions? See Biology Topical Solved.

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19 topics covered, mapped to the official Cambridge 2026 syllabus.

Topic 1

Cells

2 subtopics

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Topic 2

Classification

2 subtopics

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Topic 3

Movement into and out of cells

2 subtopics

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Topic 4

Biological molecules

1 subtopic

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Topic 5

Enzymes

2 subtopics

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Topic 6

Plant nutrition

3 subtopics

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Topic 7

Transport in flowering plants

2 subtopics

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Topic 8

Human nutrition

3 subtopics

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Topic 9

Human gas exchange

1 subtopic

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Topic 10

Respiration

3 subtopics

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Topic 11

Transport in humans

4 subtopics

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Topic 12

Disease and immunity

3 subtopics

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Topic 13

Excretion

2 subtopics

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Topic 14

Coordination and control

6 subtopics

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Topic 15

Coordination and response in plants

1 subtopic

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Topic 16

Development of organisms and continuity of life

4 subtopics

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Topic 17

Inheritance

4 subtopics

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Topic 18

Biotechnology and genetic modification

2 subtopics

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Topic 19

Relationships of organisms with one another and with the environment

5 subtopics

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