IGCSE Biology (0610) — May–June 2025, Paper 52
3 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 20 marks · Movement into and out of cells - osmosis
You are going to investigate the effect of the concentration of salt solutions on osmosis in potato tissue. You are going to use three different concentrations of salt solution.…
Answer this question and get it marked →Question 2 · 14 marks · Enzymes - effect of temperature; experimental skills
The enzyme pectinase is used in the production of apple juice. In an experiment, a student investigated the production of apple juice using five different concentrations of…
Answer this question and get it marked →Question 3 · 6 marks · Photosynthesis and respiration - planning an investigation (compensation point)
Hydrogencarbonate indicator can be used to determine the concentration of carbon dioxide in a solution. The table shows the colour of the indicator at different concentrations of…
Answer this question and get it marked →