IGCSE Marine Science (0697) — May–June 2024, 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 the geomorphology of the seabed for an area of the Pacific Ocean that extends from a continental land mass. The diagram shows: land, a continental shelf, a steeply…
Answer this question and get it marked →Mackerel are pelagic fish that are often caught by using purse seine nets. Describe purse seine net fishing.
Answer this question and get it marked →Rocky shores can be divided up into different zones. Each zone has different abiotic factors that affect the distribution of organisms. Fig. 3.1 shows a diagram of a rocky shore.…
Answer this question and get it marked →Plastic pollution is a threat to marine ecosystems. Table 4.1 shows the total mass of plastic released into the oceans from different continents in 2022, and the mass of plastic…
Answer this question and get it marked →Table 5.1 shows some nutritional information for salmon produced by aquaculture and wild-caught salmon (nutrient content in 100 g of salmon meat). Nutrient content in 100 g of…
Answer this question and get it marked →Fig. 6.1 shows the effect of temperature on the dissolved oxygen concentration of fresh water and of sea water. Both lines decrease as temperature increases (0–50°C); the fresh…
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