IGCSE Practice

Cambridge IGCSE·Co-ordinated Sciences 0654·Biology Populations Ecosystems

IGCSE Biology — Populations & ecosystems

9 Cambridge IGCSE 0654 questions on populations & ecosystems, across all three components.

About populations & ecosystems on IGCSE 0654

Every Cambridge IGCSE Co-ordinated Sciences 0654 question on populations & ecosystems (Organisms & environment, Biology), across all three exam components. Theory and alternative-to-practical come with full mark schemes; multiple choice is interactive — click an option to check it.

Theory

Papers 3 & 4 · 4 questions · Structured written questions, each with its full mark scheme.

Populations & ecosystems — theory questions (with mark schemes)

Exercise 1 — IGCSE 0654 Jun 2025 Paper 32 Q4

Cambridge past paperCore11 marks Paper 32Jun 2025
IGCSE 0654 Jun 2025 Paper 32 Question 4 — Populations & ecosystems
Show mark scheme
Mark scheme for IGCSE 0654 Jun 2025 Paper 32 Q4

Exercise 2 — IGCSE 0654 Jun 2025 Paper 33 Q4

Cambridge past paperCore11 marks Paper 33Jun 2025
IGCSE 0654 Jun 2025 Paper 33 Question 4 — Populations & ecosystems
Show mark scheme
Mark scheme for IGCSE 0654 Jun 2025 Paper 33 Q4

Exercise 3 — IGCSE 0654 Nov 2025 Paper 32 Q2

Cambridge past paperCore8 marks Paper 32Nov 2025
IGCSE 0654 Nov 2025 Paper 32 Question 2 — Populations & ecosystems
Show mark scheme
Mark scheme for IGCSE 0654 Nov 2025 Paper 32 Q2

Exercise 4 — IGCSE 0654 Nov 2025 Paper 33 Q2

Cambridge past paperCore8 marks Paper 33Nov 2025
IGCSE 0654 Nov 2025 Paper 33 Question 2 — Populations & ecosystems
Show mark scheme
Mark scheme for IGCSE 0654 Nov 2025 Paper 33 Q2
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Multiple choice

Papers 1 & 2 · 5 questions · Click an option (A–D) to check your answer instantly.

Populations & ecosystems — multiple choice questions

Exercise 1 — IGCSE 0654 Oct/Nov 2025 Paper 12 Q13

Cambridge past paperCore1 mark Paper 12Oct/Nov 2025
IGCSE 0654 Oct/Nov 2025 Paper 12 Question 13 — Populations & ecosystems
Show answer
Correct answer: D

Exercise 2 — IGCSE 0654 Oct/Nov 2025 Paper 13 Q13

Cambridge past paperCore1 mark Paper 13Oct/Nov 2025
IGCSE 0654 Oct/Nov 2025 Paper 13 Question 13 — Populations & ecosystems
Show answer
Correct answer: D

Exercise 3 — IGCSE 0654 March 2025 Paper 22 Q13

Cambridge past paperExtended1 mark Paper 22March 2025
IGCSE 0654 March 2025 Paper 22 Question 13 — Populations & ecosystems
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Correct answer: D

Exercise 4 — IGCSE 0654 May/June 2025 Paper 23 Q12

Cambridge past paperExtended1 mark Paper 23May/June 2025
IGCSE 0654 May/June 2025 Paper 23 Question 12 — Populations & ecosystems
Show answer
Correct answer: D

Exercise 5 — IGCSE 0654 Oct/Nov 2023 Paper 23 Q12

Cambridge past paperExtended1 mark Paper 23Oct/Nov 2023
IGCSE 0654 Oct/Nov 2023 Paper 23 Question 12 — Populations & ecosystems
Show answer
Correct answer: C
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More Organisms & environment subtopics