IGCSE Practice

Cambridge IGCSE·Co-ordinated Sciences 0654·Biology Chromosomes Genes Dna

IGCSE Biology — Chromosomes, genes & DNA

17 Cambridge IGCSE 0654 questions on chromosomes, genes & dna, across all three components.

About chromosomes, genes & dna on IGCSE 0654

Every Cambridge IGCSE Co-ordinated Sciences 0654 question on chromosomes, genes & dna (Inheritance, 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 · 3 questions · Structured written questions, each with its full mark scheme.

Chromosomes, genes & DNA — theory questions (with mark schemes)

Exercise 1 — IGCSE 0654 Nov 2023 Paper 41 Q1

Cambridge past paperExtended10 marks Paper 41Nov 2023
IGCSE 0654 Nov 2023 Paper 41 Question 1 — Chromosomes, genes & DNA
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Mark scheme for IGCSE 0654 Nov 2023 Paper 41 Q1

Exercise 2 — IGCSE 0654 Nov 2023 Paper 32 Q4

Cambridge past paperCore8 marks Paper 32Nov 2023
IGCSE 0654 Nov 2023 Paper 32 Question 4 — Chromosomes, genes & DNA
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Mark scheme for IGCSE 0654 Nov 2023 Paper 32 Q4

Exercise 3 — IGCSE 0654 Jun 2022 Paper 41 Q4

Cambridge past paperExtended11 marks Paper 41Jun 2022
IGCSE 0654 Jun 2022 Paper 41 Question 4 — Chromosomes, genes & DNA
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Mark scheme for IGCSE 0654 Jun 2022 Paper 41 Q4
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Multiple choice

Papers 1 & 2 · 14 questions · Click an option (A–D) to check your answer instantly.

Chromosomes, genes & DNA — multiple choice questions

Exercise 1 — IGCSE 0654 March 2025 Paper 22 Q12

Cambridge past paperExtended1 mark Paper 22March 2025
IGCSE 0654 March 2025 Paper 22 Question 12 — Chromosomes, genes & DNA
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Correct answer: B

Exercise 2 — IGCSE 0654 Oct/Nov 2025 Paper 22 Q12

Cambridge past paperExtended1 mark Paper 22Oct/Nov 2025
IGCSE 0654 Oct/Nov 2025 Paper 22 Question 12 — Chromosomes, genes & DNA
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Correct answer: B

Exercise 3 — IGCSE 0654 May/June 2025 Paper 23 Q9

Cambridge past paperExtended1 mark Paper 23May/June 2025
IGCSE 0654 May/June 2025 Paper 23 Question 9 — Chromosomes, genes & DNA
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Correct answer: B

Exercise 4 — IGCSE 0654 May/June 2024 Paper 12 Q11

Cambridge past paperCore1 mark Paper 12May/June 2024
IGCSE 0654 May/June 2024 Paper 12 Question 11 — Chromosomes, genes & DNA
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Correct answer: A

Exercise 5 — IGCSE 0654 May/June 2024 Paper 13 Q11

Cambridge past paperCore1 mark Paper 13May/June 2024
IGCSE 0654 May/June 2024 Paper 13 Question 11 — Chromosomes, genes & DNA
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Correct answer: A

Exercise 6 — IGCSE 0654 Oct/Nov 2024 Paper 21 Q11

Cambridge past paperExtended1 mark Paper 21Oct/Nov 2024
IGCSE 0654 Oct/Nov 2024 Paper 21 Question 11 — Chromosomes, genes & DNA
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Correct answer: C

Exercise 7 — IGCSE 0654 March 2024 Paper 22 Q11

Cambridge past paperExtended1 mark Paper 22March 2024
IGCSE 0654 March 2024 Paper 22 Question 11 — Chromosomes, genes & DNA
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Correct answer: B
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