IB DP Biology Revision Worksheets Bundle 2: Units C & D Final 20 Topics 2026

This bundle contains the final 20 IB DP Biology quiz and revision worksheet packs from Units C and D. It focuses on metabolism, regulation, genetics, evolution and environmental biology, giving students structured, exam-style practice across higher-level conceptual areas of the IB Biology syllabus. Designed for IB DP Biology teachers and students, this bundle supports topic revision, exam preparation and cumulative review in the second half of the course. What’s Inside Each topic pack includes: • 20 targeted multiple-choice questions for rapid concept checks • 5 short answer questions to develop explanation skills • 10 matching questions to reinforce key terminology • 5 extended response questions for deeper analysis • 10 True/False questions for quick review • 1 data interpretation question • Answer key with clear explanations 20 complete topic packs are included. Topics Included (Final 20) C1.2 Cell Respiration C1.3 Photosynthesis C2.1 Chemical Signalling C2.2 Neural Signalling C3.1 Integration of Body Systems C3.2 Defence Against Disease C4.1 Populations and Communities C4.2 Transfer of Energy and Matter D1.1 DNA Replication D1.2 Protein Synthesis D1.3 Mutation and Gene Editing D2.1 Cell Nuclear Division D2.2 Gene Expression D2.3 Water Potential D3.1 Reproduction D3.2 Inheritance D3.3 Homeostasis D4.1 Natural Selection D4.2 Stability and Change D4.3 Climate Change How It Can Help Exam-Aligned Practice • Questions reflect formats commonly seen in IB assessments • Supports focused revision across complex syllabus areas Versatile Use • Suitable for homework, in-class review, quizzes or exam preparation • Teachers can assign full packs or combine topics Scaffolded Learning • Question sets move from recall to analytical responses • Helps reinforce understanding step by step Ready to Use • No preparation required • Answer keys provided for all topics Exam Pacing Feature • Questions are structured using a guide of 90 seconds per mark • Helps students practise working at an exam-appropriate pace • Supports time management skills for assessments Teaching Tips • Use after each topic or as cumulative review • Combine topics for mock exam practice • Use data questions for discussion and skills work • Ideal for end-of-unit consolidation Easy Organisation for Year-End Review • Printable format for distribution • Clearly structured topic sections • Covers the second half of the IB Biology syllabus • Ideal for creating personalised revision booklets This bundle provides structured, topic-by-topic practice to help students consolidate key IB Biology concepts while developing the exam skills needed for confident performance.