IGCSE Biology (0610) — May–June 2025, Paper 51
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 16 marks · Experimental skills and investigations - movement into and out of cells
You are going to investigate the effect of concentration on diffusion. You will use cubes of agar which contain universal indicator and place them into different concentrations of…
Answer this question and get it marked →Question 2 · 24 marks · Experimental skills and investigations - biological molecules
A student used DCPIP solution to compare the concentration of vitamin C in five solutions. Method: put 1 cm³ of 1% DCPIP solution into a test-tube; use a syringe to add drops of…
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