0653.B15.2.03 — Describe a food web as a network of interconnected food chains and interpret food webs: past paper questions
Real questions on 0653.b15.2.03 — describe a food web as a network of interconnected food chains and interpret food webs
The newest 11 of 11 written questions. Open one to see it on the real paper.
- 0653/33 · October/November 2025 · Q9a(i)[2]
Complete the sentences to describe how the fuse protects the kettle against a large current. Use words from the list. boil circuit heating cooling kettle freeze melt The large current causes a effect in the wire in the fuse. This causes the wire to and the fuse ‘blows’.
See it on the paper → - 0653/33 · October/November 2025 · Q9a(iii)[1]
Use your answer to (a)(ii) to suggest a suitable rating for the fuse in the kettle. Circle the correct answer. 1 A 3 A 5 A 10 A 13 A 30 A
See it on the paper → - 0653/33 · May/June 2025 · Q3a(i)[1]
Circle the word that describes the phytoplankton in the food web in Fig. 3.1. (a) (i)
See it on the paper → - 0653/33 · May/June 2025 · Q3a(ii)[1]
Identify one primary consumer shown in Fig. 3.1. (ii)
See it on the paper → - 0653/33 · May/June 2025 · Q3a(iii)[1]
Explain why the shark shown in Fig. 3.1 is described as a carnivore.
See it on the paper → - 0653/33 · May/June 2025 · Q3b(i)[2]
Use Fig. 3.1 to explain the effect this has on the number of parrotfish in the habitat.
See it on the paper → - 0653/32 · October/November 2024 · Q7b(ii)[1]
Identify the primary consumer in Fig. 7.1.
See it on the paper → - 0653/21 · May/June 2024 · Q13[1]
How many of the food chains in this food web support the wolf?
See it on the paper → - 0653/32 · February/March 2024 · Q7b(i)[1]
State the name of the type of diagram shown in Fig. 7.2.
See it on the paper → - 0653/32 · February/March 2024 · Q7b(ii)[2]
Use Fig. 7.2 to identify one carnivore and one tertiary consumer. carnivore tertiary consumer
See it on the paper → - 0653/32 · February/March 2024 · Q7b(iii)[1]
Lions eat gazelles. Draw one arrow on Fig. 7.2 to show this relationship.
See it on the paper →
What examiners said
Candidates knew that the food web must start with a producer. Some candidates circled herbivore. They are reminded that herbivores are animals that only feed on plants.
— Examiner report, May/June 2025, 0653/33 Q3(a)(i) (Cambridge)
Primary consumers feed on plants, the phytoplankton. Most candidates wrote zooplankton or unicornfish to gain credit. The most common incorrect answer was parrotfish. This fish was a tertiary consumer. Some candidates thought that the coral was a plant.
— Examiner report, May/June 2025, 0653/33 Q3(a)(ii) (Cambridge)
Candidates interpreted the food web well, showing an understanding of the interdependence of nature. The loss of the only food source for the parrotfish would cause their numbers to decrease.
— Examiner report, May/June 2025, 0653/33 Q3(b)(i) (Cambridge)
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