IB ESS Questions by Topic
Every IB ESS topic, from Foundations to Human Systems — with exam-style practice questions for Paper 1 and Paper 2. Click any topic to start practising.
Unit 1: Foundations of ESS
1163 questionsUnit 2: Ecosystems and Ecology
1871 questionsUnit 3: Biodiversity, Conservation and Change
1674 questionsUnit 4: Water and Aquatic Food Production
1463 questionsUnit 5: Soil Systems and Terrestrial Food Production
972 questionsUnit 6: Atmospheric Systems and Societies
909 questionsUnit 7: Climate Change and Energy Production
1084 questionsUnit 8: Human Systems and Resource Use
945 questionsUnit 9: HL Lenses
384 questionsPractice by Command Term
Every question in our bank is tagged with its IB command term. Understanding command terms is critical for earning full marks.
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Start Practising ESSFrequently Asked Questions
What types of questions are in the IB question bank?
Our question bank includes short-answer, data-based, case-study, extended-response, and multiple-choice questions — mirroring exactly what you will see on Papers 1, 2, and 3 in IB exams.
Are these real IB past paper questions?
Our questions are original, IB-style questions written to match the format, difficulty, and command terms used in actual IB exams. They are not reproductions of past papers.
How are questions organised?
Questions are organised by topic code (e.g. Topic 1.1, 2.3) matching the IB syllabus structure. You can also filter by paper type and topic.
Can I practise questions from a specific topic?
Yes! Click any topic below to jump directly into practice mode with questions filtered to that topic. You can further narrow by paper type.