AS & A Level Biology (9700) — May–June 2024, Paper 34
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 22 marks · Practical skills: planning and serial dilution
Table 1.2 shows how to prepare two of the concentrations of salicylic acid. You will prepare 10 cm3 of each concentration, using A and W. Decide which other concentrations of…
Answer this question and get it marked →Question 2 · 18 marks · Practical skills: plan diagrams
Observe the region of the section on M1 indicated by the shaded area in Fig. 2.1. Draw a large plan diagram of this region. Use a sharp pencil. Include four vascular bundles in…
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