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IB Biology HL - 2025 - Questionbank

The IB Biology HL (Higher Level) 2025 Questionbank is a great source of practice questions, coming from the entire syllabus! Each question comes with a clear markscheme and solution video, with an experienced IB teacher going through the question step-by-step. The questions are organized by topic and arranged by difficulty, making it the perfect resource for studying a particular concept.

Theme B

Form & Function

Theme D

Continuity & Change