AS & A Level Marine Science (9693) — May–June 2023, Paper 22
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 15 marks · Chemistry for marine science / minerals
Fig. 1.1 shows the shell of a common dogwhelk, Nucella lapillus, which is adapted to live on rocky shores. State a mineral that is required for the formation of shells.
Answer this question and get it marked →Question 2 · 17 marks · Investigative skills / experimental method
Fig. 2.1 shows apparatus used to investigate the rate of photosynthesis in the laboratory: a glass beaker of water containing an aquatic plant and a thermometer, connected to a…
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