IGCSE Biology (0610) — May–June 2023, Paper 53
2 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 · Experimental skills and investigations
You are going to investigate the nutrient content of three drinks A, B and C using three tests: Test 1 (reducing sugars with Benedict's reagent in a hot water-bath, five minutes);…
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The nutrient content of foods can affect a person's bones. In a study, the diet and bone density of 120 women aged 50–70 were monitored for two years; the mean daily calcium…
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