O Level Biology (5090)

Human influences on ecosystems Banker

26 questions · about 3% of the marks we indexed · examined in 9 of 9 sessions.

Questions by year

Paper

2025 Oct/Nov · Paper 11 · Q401 markConservation & sustainability
2025 Oct/Nov · Paper 21 · Q6 (a, c)6 marksConservation & sustainability · Habitat destruction & deforestation
2025 May/June · Paper 11 · Q391 markWater pollution & eutrophication
2025 May/June · Paper 11 · Q401 markWater pollution & eutrophication
2025 May/June · Paper 21 · Q5 (a)3 marksAir pollution & climate change

2023 Oct/Nov · Paper 11 · Q401 markWater pollution & eutrophication
2023 Oct/Nov · Paper 21 · Q8 (a, b)10 marksConservation & sustainability · Habitat destruction & deforestation
2023 May/June · Paper 11 · Q391 markAir pollution & climate change
2023 May/June · Paper 11 · Q401 markWater pollution & eutrophication
2023 May/June · Paper 21 · Q7 (b)5 marksHabitat destruction & deforestation
2023 May/June · Paper 22 · Q1 (b(iii))2 marksFood production & agriculture
2023 May/June · Paper 22 · Q4 (a, b)7 marksWater pollution & eutrophication

2022 Oct/Nov · Paper 11 · Q321 markWater pollution & eutrophication
2022 Oct/Nov · Paper 21 · Q2 (c)3 marksFood production & agriculture
2022 Oct/Nov · Paper 21 · Q4 (b(ii))2 marksAir pollution & climate change
2022 May/June · Paper 11 · Q321 markHabitat destruction & deforestation
2022 May/June · Paper 21 · Q9 (b)5 marksFood production & agriculture (option)

Find the full paper on the official Cambridge past-papers page or ask your school. “Paper 42” means Paper 4, variant 2.

Subtopic	Marks indexed	Sessions
Habitat destruction & deforestation	19	7/9
Air pollution & climate change	15	5/9
Water pollution & eutrophication	14	6/9
Conservation & sustainability	13	4/9
Food production & agriculture (option) Rare	5	1/9
Food production & agriculture Rare	5	2/9