IGCSE Marine Science (0697) — May–June 2025, Paper 23
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. Shrimps are crustaceans. State two main characteristic features of crustaceans.
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. Name one primary consumer in the food web shown in Fig. 3.1.
Answer this question and get it marked →Fig. 4.1 shows the structure of the Earth with the core and the crust labelled. Name the section labelled A in Fig. 4.1.
Answer this question and get it marked →Fig. 5.1 shows an oil tanker. Oil tankers must be built in line with the MARPOL standards for ship design. Describe how the MARPOL standards reduce the environmental impacts of…
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. Explain the role of migration in the life cycle of the leatherback turtle.
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