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Expert-crafted IB content, refined by IB 45 scorers,
and brought together by AI.


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IB WIKI helps you prepare for IB Exams.
Your teachers and tutors aren’t always available. IB WIKI is. Ask questions whenever you need help.
Oxygen acts as the terminal electron acceptor, which maintains the proton gradient.
Keywords that earn marksBuilt on expert-crafted IB content, our AI delivers syllabus-aligned explanations focused on the concepts and keywords that earn marks.
Every answer leads to practice. Our AI recommends relevant questions from our IB Question Bank, helping you apply what you’ve learned and master each concept.
Don’t waste time solving random questions.
Identify the patterns that matter and practice them systematically.
Learn the problem-solving approaches shared by IB 45 scorers.
Our Question Bank is carefully developed by experienced IB educators, prioritising quality over quantity. Every question is designed to provide meaningful, exam-focused practice.
Our questions are reviewed and refined with insights from students who achieved a perfect 45/45 in the IB Diploma, incorporating the strategies and approaches behind their success.
Go beyond simply studying topics. Explore recurring question types and problem-solving approaches within each unit, helping you recognise patterns and approach IB exam questions with confidence.
Need more practice? Our AI Question Builder generates additional questions based on your selected exam pattern, allowing you to reinforce your understanding and practise challenging concepts.
We focus only on IB Sciences and Mathematics,
where markschemes, keywords and exam patterns decide your score.
Understand chemical concepts, master calculations, and solve IB exam questions with confidence.
↗BiMaster biological processes, key terminology, and experimental skills through data analysis and IB-style questions.
↗PhConnect physical concepts, apply equations, and develop the problem-solving skills needed for IB exams.
↗MaBuild conceptual understanding, master problem-solving strategies, and recognise recurring exam patterns.
↗Better Questions. Not More Questions.
We believe great IB questions should feel like the real exam. Our goal isn’t to create the largest question bank. It’s to create the questions students actually need.
From challenging Mathematics Paper 3 problems to experimental and data-based questions in the sciences, we focus on the areas where students need meaningful practice the most.
Every question is carefully crafted, reviewed, and refined to reflect the style, difficulty, and reasoning expected in real IB examinations. Quality always comes before quantity.
We continuously review our content against evolving IB exam trends. Questions that no longer reflect how the IB assesses students are replaced with better ones.
Our ultimate goal is simple: to create questions so authentic that students can barely distinguish them from real IB exam questions.
AI & Physics Specialist
Seoul Science High School (SSHS) Alumnus
International Physics Olympiad (IPhO), Korean National Team Reserve
Yonsei University College of Medicine
IB Biology & Chemistry Specialist
IB Perfect Scorer (45/45)
IB Biology Paper 1B Specialist
Yonsei University College of Medicine
IB Physics Specialist
8 Years of Physics Teaching Experience
Specialist in Physics Education and Problem-Solving
IB Perfect Scorer
IB Perfect Scorer (45/45)
Yonsei University College of Medicine
Mathematics & Olympiad Specialist
Mathematics Education Specialist
Korean Mathematical Olympiad (KMO) Gold
IB Chemistry Specialist
IB Diploma Score: 43/45
Engineering Student
Specialist in IB Chemistry
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