0654.B18.1.01 — State that the Sun is the principal source of energy input to biological systems: past paper questions
Real questions on 0654.b18.1.01 — state that the sun is the principal source of energy input to biological systems
The newest 6 of 6 written questions. Open one to see it on the real paper.
- 0973/31 · May/June 2025 · Q4a[1]
State the principal source of energy input to the food web in Fig. 4.1.
See it on the paper → - 0973/32 · May/June 2023 · Q12a[2]
An oil tanker is carrying petroleum. Petroleum is a non-renewable energy source. Identify the energy sources in Table 12.1 as renewable or non-renewable by placing a tick (3) for each one in the correct column. One has been done for you. Table 12.1 energy source renewable non-renewable coal hydroelectric (HEP) natural...
See it on the paper → - 0973/42 · May/June 2023 · Q7a(iii)[1]
State the principal source of energy for all biological systems.
See it on the paper → - 0973/31 · October/November 2022 · Q10c[1]
State the name of the principal source of energy for all food chains.
See it on the paper → - 0973/41 · October/November 2022 · Q6c[1]
The man uses a solar panel to charge his mobile phone. The solar panel uses energy from the Sun to generate electricity. State the name of the process in the Sun that releases energy.
See it on the paper → - 0973/41 · May/June 2019 · Q12a[1]
Name two energy resources that do not have the Sun as their source of energy.
See it on the paper →
What examiners said
Candidates were generally familiar with the role of the Sun in a food web. Giving the name of one or both plants was a common incorrect answer.
— Examiner report, May/June 2025, 0973/31 Q4(a) (Cambridge)
The Sun was commonly given. Very occasionally the incorrect response of producers was seen.
— Examiner report, May/June 2023, 0973/42 Q7(a)(iii) (Cambridge)
A few candidates could name two of the energy resources not having the Sun as their source, from nuclear, geothermal and tidal.
— Examiner report, May/June 2019, 0973/41 Q12(a) (Cambridge)
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