Singapore Junior Biology Olympiad Past Papers [exclusive] Jun 2026
Which of the following types of ecosystems is characterized by a lack of trees and a dominance of grasses and wildflowers? A) Desert B) Rainforest C) Coral reef D) Grassland
Round 2 involves practical components. When reviewing past papers, pay close attention to experimental designs, control variables, and common laboratory techniques.
This is the undisputed "bible" for biology olympiads worldwide. While the entire textbook is used for the senior SBO, reading the relevant chapters on cell biology, genetics, and human physiology will give you a massive advantage in the junior competition.
If SJBO-specific papers are scarce, practice using past papers from the British Biology Olympiad (BBO) Intermediate level or the USABO Open Exam. The fundamental conceptual depth required is highly comparable. singapore junior biology olympiad past papers
In multiple-choice sections, eliminating two clearly incorrect options drastically improves your odds if you have to make an educated guess.
The SJBO’s primary goal is to foster critical thinking and a passion for biology, moving beyond rote memorization and challenging students to apply their knowledge. It’s an early taste of the intellectual rigour that has consistently placed Singapore among the world’s top performers at the IBO. Achieving a medal in the SJBO is a significant honour that showcases a student's aptitude for high-level biology.
: Some students find compiled notes or unofficial practice sets on platforms like or community-led projects like Learntuitive Eclat Institute Exam Structure & Content The competition consists of two main stages: Theory Round Which of the following types of ecosystems is
Membrane transport, organelles, and biochemistry. Genetics: Mendelian inheritance and molecular genetics.
Do you have access to a that you are currently struggling with?
Singapore Junior Biology Olympiad (SJBO) is a premier competition for upper secondary students (Secondary 2 to 4) aimed at testing critical thinking and advanced biological knowledge. The Singapore Institute of Biology Accessing Past Papers Official past year SJBO papers are not released to the public or schools This is the undisputed "bible" for biology olympiads
: SJBO is closely aligned with the IBO standard. You can access an archive of IBO Examination Papers for high-level practice. National Exam TYS : Completing the Ten-Year Series (TYS) for O-Level and A-Level Biology covers roughly 70% of the exam's difficulty range. Third-Party Platforms : Sites like Biolympiads
A team-based laboratory challenge reserved for the top-performing schools from Round 1.
The Ultimate Guide to Singapore Junior Biology Olympiad (SJBO) Past Papers
