Singapore Junior Biology Olympiad Past Papers -

Singapore Junior Biology Olympiad (SJBO)

Official past papers for the are generally not released to the public or schools by the organizers. Instead, the competition is designed to test students using a combination of O-Level (35%), A-Level (35%), and International Biology Olympiad (IBO) (30%) standards. How to Prepare Without Official SJBO Papers

How to use past papers effectively — step-by-step plan

12. The "lock and key" model vs. the "induced fit" model. Which statement best describes the induced fit model?

A. The active site is rigid and fits the substrate exactly. B. The active site changes shape upon substrate binding to achieve a better fit. C. The substrate changes shape to fit the enzyme. D. The enzyme breaks the substrate into key-shaped products. singapore junior biology olympiad past papers

Weeks 3-5: Themed Drilling

1. Which of the following statements correctly distinguishes prokaryotic cells from eukaryotic cells?

A. Prokaryotes have mitochondria; eukaryotes do not. B. Prokaryotes have circular DNA; eukaryotes have linear DNA. C. Prokaryotes lack a cell wall; eukaryotes have a cell wall. D. Prokaryotes are exclusively multicellular; eukaryotes are unicellular. The "lock and key" model vs

Which of the following biological molecules is responsible for storing genetic information? A) Protein B) Carbohydrate C) DNA (Deoxyribonucleic acid) D) RNA (Ribonucleic acid) Prokaryotes lack a cell wall