Singapore Junior Biology Olympiad Past Papers [hot] Jun 2026

Because official papers are locked away, students typically prepare by looking elsewhere:

The top (based on individual theory scores) are invited to a team-based practical round at the Science Centre Singapore.

What is the fundamental biological concept I need to memorize? Pro-Tips for Tackling Hard SJBO Questions singapore junior biology olympiad past papers

Since 30% of the SJBO follows this standard, practicing with IBO archives is highly effective. Academic TYS (Ten-Year Series):

Before diving into past papers, you need to know what topics to look out for. The Singapore Institute of Biology (SIBiol) aligns the SJBO syllabus closely with the International Biology Olympiad (IBO) standards, adapted for lower secondary and upper secondary levels (primarily Sec 3 and Sec 4 students). Core Biology Domain Approximate Weightage Key Concepts to Focus On Because official papers are locked away, students typically

Explain what will happen to the plant cell over the next 20 minutes in terms of water movement. [2 marks] (b) Define the term "plasmolysis." [1 mark] (c) If this were an animal cell instead of a plant cell, what would be the likely outcome? Explain one structural difference that causes this outcome. [3 marks]

Which specific (e.g., genetics, plant physiology) do you find hardest? Academic TYS (Ten-Year Series): Before diving into past

Because the paper includes IBO-level questions, the organisers available on the official IBO website. This is your primary and most effective resource. If some of the older IBO papers are password-protected, you can write to the SJBO organisers, who will direct you to the appropriate personnel to request access.