Past Papers - Singapore Junior Biology Olympiad

(a) List two structural adaptations of the alveolus that maximize gas exchange. (2 marks)

(b) Using a Punnett square or branch diagram, determine the phenotypic ratio of the offspring. (4 marks) singapore junior biology olympiad past papers

This is a development of modeled exactly on the style and difficulty of the Singapore Junior Biology Olympiad (SJBO) . Since actual past papers are copyrighted, this serves as a faithful simulation for training. (a) List two structural adaptations of the alveolus

(b) Predict the relative rate of oxygen consumption at 30°C vs 20°C. Explain your answer in terms of enzyme kinetics and metabolic rate. (3 marks) singapore junior biology olympiad past papers