IGCSE Marine Science (0697) — May–June 2023, Paper 01

Fish can spoil quickly after they have been caught. State five post-mortem changes that happen to fish after they have been caught.

Eight marine organisms are listed below: A albatross B tuna C bacteriophage D Paramecium E dolphin F starfish G jellyfish H sea urchin For each feature in the table, write the…

Fig. 3.1 shows four stages in the formation of an atoll, labelled J, K, L and M. [Fig. 3.1: Four diagrams showing stages of atoll formation. K shows a volcanic island with…

Fig. 4.1 shows images of seagrass (Thalassia testudinum). [Fig. 4.1: Photographs showing seagrass with visible leaves and underground rhizome/root structure.] Draw a labelled…

Fig. 5.1 shows a Fish Aggregating Device (FAD) used near a tropical island. [Fig. 5.1: Diagram of a FAD showing: A = bamboo raft floating at the surface, B = coconut leaves…

Fig. 6.1 shows a pie chart of the sources of pollution in the ocean. [Fig. 6.1: Pie chart showing ocean pollution sources. Litter accounts for 5% of the total. The total amount of…

Fig. 7.1 shows a marine fish in seawater. The external salinity is 35 ‰ and the internal body fluid salinity is 18 ‰. [Fig. 7.1: Diagram of a marine fish showing external seawater…

Table 8.1 shows fish consumption data (kg per person per year) for five countries in 1961 and 2017. Country 1961 2017 --------- ------ ------ France 22 34 Jamaica 18 25 India 4 8…