IGCSE Marine Science (0697) — May–June 2025, Paper 22
6 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Fig. 1.1 shows shrimps on sale at a fish market (a black-and-white photograph of a pile of whole shrimps with a 5 cm scale bar). Shrimps are crustaceans. State two main…
Answer this question and get it marked →A student investigates the effect of temperature on the solubility of carbon dioxide gas in water. The student uses this method: - Place a bottle of fizzy, carbonated water in a…
Answer this question and get it marked →Fig. 3.1 shows an ocean food web. The web shows: dinoflagellates eaten by shrimps, mackerel and copepods; copepods eaten by mackerel; shrimps eaten by tuna; mackerel eaten by tuna…
Answer this question and get it marked →Fig. 4.1 shows the structure of the Earth with the core and the crust labelled. A cut-away diagram of the Earth shows three concentric layers: the outermost is labelled crust, an…
Answer this question and get it marked →Fig. 5.1 shows an oil tanker (a photograph of a large oil tanker on the sea near a coastline). Oil tankers must be built in line with the MARPOL standards for ship design.…
Answer this question and get it marked →Female leatherback turtles lay eggs in nests on sandy shores. Fig. 6.1 shows eggs in a turtle nest (a photograph of several rounded white turtle eggs partly covered in sand inside…
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