IGCSE Biology (0610) — October–November 2023, 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 · 11 marks · Practical skills (recording results); Enzymes
You are going to investigate the effect of temperature on the activity of amylase. Amylase is an enzyme that catalyses the breakdown of starch to form reducing sugars. Iodine…
Answer this question and get it marked →Question 2 · 8 marks · Enzymes; Practical skills (planning)
Milk contains fats. The enzyme lipase catalyses the breakdown of fats to form fatty acids and glycerol. The fatty acids cause the pH of the milk to decrease. Plan an investigation…
Answer this question and get it marked →Question 3 · 21 marks · Practical skills (biological drawing)
Fig. 3.1 is a photograph of a type of seaweed called bladder wrack. The bladders help the seaweed float in water. Draw a large diagram of the bladder wrack seaweed shown in Fig.…
Answer this question and get it marked →← October–November 2023 Paper 53 · October–November 2023 Paper 51 →