IB Biology SL (Standard Level) is a rigorous, concept-driven science course offered through the International Baccalaureate Diploma Programme. The course develops a strong foundation in core biological themes such as cell biology, molecular biology, genetics, ecology, evolution, and human physiology, while also building practical laboratory skills and data analysis abilities. Students are trained to interpret experimental results, apply biological concepts to real-world contexts, and construct clear, well-structured scientific explanations in line with IB assessment criteria.
This page is designed to support your success in IB Biology SL by providing access to previous years’ examination papers along with detailed marking schemes. By practicing with authentic IB questions, you can familiarize yourself with command terms, question structure, and mark allocation, helping you refine your exam technique and understand exactly what examiners expect in high-scoring responses.
