IGCSE Marine Science (0697) — May–June 2023, Paper 03
3 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
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Fig. 1.1 shows a photograph of a unicornfish. [Fig. 1.1: Photograph of a unicornfish (a marine fish with an elongated horn-like projection from its forehead, visible fins, and a…
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Two marine invertebrates are shown: organism A is a sea cucumber and organism B is a polychaete worm. State the phylum of each organism. Organism A (sea cucumber): Organism B…
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Describe the biochemical test for a non-reducing sugar.
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