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IGCSE Co-ordinated Sciences (Double Award) 0654 · Biology · 187

0654.B19.1.04 — State the undesirable effects of deforestation 5 Explain the undesirable effects of as an example of habitat destruction, to deforestation a: past paper questions

6 real questionsasked in 3 of the last 10 exam series2021–2025usually: Explain, State, Describe, Which, What

Real questions on 0654.b19.1.04 — state the undesirable effects of deforestation 5 explain the undesirable effects of as an example of habitat destruction, to deforestation a

The newest 6 of 6 written questions. Open one to see it on the real paper.

  1. 0654/32 · October/November 2025 · Q2b(ii)[2]

    Habitat destruction is a result of deforestation. State two other undesirable effects of deforestation.

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  2. 0654/41 · October/November 2025 · Q3b(ii)[2]

    Explain how deforestation can lead to flooding.

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  3. 0654/32 · May/June 2025 · Q4c(ii)[1]

    Describe one reason why habitats are destroyed.

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  4. 0654/41 · May/June 2025 · Q4c[4]

    The Amazon rainforest is a large tropical forest. In 1970, the Amazon rainforest covered an area of 4.1 million km 2 . By 2022, the area covered was estimated to be 3.3 million km 2 . One effect of this deforestation is a loss in biodiversity. Explain other negative effects that deforestation has on the environment.

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  5. 0654/12 · May/June 2023 · Q13[1]

    Which row about the effects of deforestation is correct?

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  6. 0654/21 · May/June 2021 · Q13[1]

    What decreases as a result of deforestation?

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What examiners said

The ideas that humans use the land for farming and building were commonly seen. Some good responses explained that the trees are cut down to provide wood for building.

— Examiner report, May/June 2025, 0654/32 Q4(c)(ii) (Cambridge)

The negative effects of deforestation were well known. However, the question asked that these effects were explained. Without correctly linking the effect and the explanation, it was not possible to attain the higher marks. The most commonly seen pairs were; reduction in photosynthesis linked to global warming and increase in carbon dioxide in the atmosphere, and habitat loss linked to extinction.

— Examiner report, May/June 2025, 0654/41 Q4(c) (Cambridge)

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0654.B19.1.04 — State the undesirable effects of deforestation 5 Explain the undesirable effects of as an example of habitat destruction, to deforestation a — IGCSE Co-ordinated Sciences (Double Award) 0654 past paper questions | AssessPro