IB Sciences • SL question banks

IB Biology SL Question Bank

Practise 659 IB Biology SL questions across 7 focused unit-level banks.

Subject materials

IB Biology SL Study Guide & Syllabus

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A - Unity and Diversity

66 questions

A1.2 Nucleic acids

178 questions

A2.1 Origins of cells (HL)

134 questions

A2.2 Cell structure

87 questions

A3.1 Diversity of organisms

89 questions

A4.1 Evolution and speciation

49 questions

A4.2 Conservation of biodiversity

56 questions