AS & A Level Biology (9700) — October–November 2023, Paper 31
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 21 marks · 3 Enzymes / Practical skills
You will investigate the effect of temperature on the production of carbon dioxide gas by yeast cells. Yeast cells contain enzymes that break down glucose to release carbon…
Answer this question and get it marked →Question 2 · 19 marks · 7 Transport in plants / Practical skills
J1 is a slide of a stained transverse section through a plant stem. Draw a large plan diagram of the region of the stem on J1 indicated by the shaded area in Fig. 2.1. Use a sharp…
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