Cambridge IGCSE Question Simulator

O Level Biology (5090)

Organisms & environment Banker

31 questions · about 4% of the marks we indexed · examined in 9 of 9 sessions.

Questions by year

2026

  • 2026 May/June · Paper 21 · Q4 (a(i), a(ii), a(iii))4 marksFood chains & webs
  • 2026 May/June · Paper 22 · Q5 (a(i), a(ii), a(iii), a(iv), b(i), b(ii))10 marksCarbon cycle · Energy flow & pyramids · Food chains & webs

2025

  • 2025 Oct/Nov · Paper 11 · Q331 markPopulations & sampling
  • 2025 Oct/Nov · Paper 11 · Q371 markFood chains & webs
  • 2025 Oct/Nov · Paper 11 · Q381 markEnergy flow & pyramids
  • 2025 Oct/Nov · Paper 11 · Q391 markNitrogen cycle
  • 2025 May/June · Paper 11 · Q381 markEnergy flow & pyramids
  • 2025 May/June · Paper 21 · Q2 (a(i), a(ii), a(iii))5 marksFood chains & webs
  • 2025 May/June · Paper 21 · Q5 (c(ii))2 marksCarbon cycle

2024

  • 2024 Oct/Nov · Paper 11 · Q371 markFood chains & webs
  • 2024 Oct/Nov · Paper 11 · Q381 markCarbon cycle
  • 2024 Oct/Nov · Paper 11 · Q391 markPopulations & sampling
  • 2024 Oct/Nov · Paper 12 · Q371 markEnergy flow & pyramids
  • 2024 Oct/Nov · Paper 12 · Q381 markCarbon cycle
  • 2024 Oct/Nov · Paper 12 · Q391 markPopulations & sampling
  • 2024 Oct/Nov · Paper 21 · Q6 (a, b, c(i))7 marksEnergy flow & pyramids · Food chains & webs
  • 2024 May/June · Paper 11 · Q371 markFood chains & webs
  • 2024 May/June · Paper 11 · Q381 markCarbon cycle
  • 2024 May/June · Paper 31 · Q2 (a, b, c, d, e, f)11 marksPopulations & sampling

2023

  • 2023 Oct/Nov · Paper 11 · Q371 markEnergy flow & pyramids
  • 2023 Oct/Nov · Paper 11 · Q381 markNitrogen cycle
  • 2023 Oct/Nov · Paper 11 · Q391 markPopulations & sampling
  • 2023 May/June · Paper 11 · Q371 markEnergy flow & pyramids
  • 2023 May/June · Paper 11 · Q381 markCarbon cycle
  • 2023 May/June · Paper 21 · Q2 (a(ii))4 marksFood chains & webs
  • 2023 May/June · Paper 21 · Q7 (a)5 marksCarbon cycle
  • 2023 May/June · Paper 22 · Q1 (b(i))1 markCarbon cycle

2022

  • 2022 Oct/Nov · Paper 11 · Q301 markNitrogen cycle
  • 2022 May/June · Paper 11 · Q301 markNitrogen cycle
  • 2022 May/June · Paper 21 · Q5 (b)1 markFood chains & webs
  • 2022 May/June · Paper 21 · Q9 (a)5 marksNitrogen cycle (option)

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

Similar questions

Questions that test the same subtopic in different years. Practise them together to master one skill.

Food chains & webs 9 questions · 7/9 sessions
Carbon cycle 8 questions · 5/9 sessions
Populations & sampling 5 questions · 4/9 sessions
Energy flow & pyramids 7 questions · 6/9 sessions
Nitrogen cycle 4 questions · 4/9 sessions

Subtopics

SubtopicMarks indexedSessions
Food chains & webs 237/9
Carbon cycle 165/9
Populations & sampling 154/9
Energy flow & pyramids 126/9
Nitrogen cycle (option) Rare51/9
Nitrogen cycle 44/9

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