IGCSE0653_w25_qp_43Written

Combined Science 0653/43 — October/November 2025

Paper 4 Theory (Extended) (variant 3)

Question paper Mark scheme

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For the whole October/November 2025 seriesGrade thresholds

Grade boundaries for 0653/43

Grade	A	B	C	D	E	F	G
Marks	46	35	23	20	16	13	10

Minimum raw mark out of 80, from Cambridge's October/November 2025 grade thresholds. Cambridge sets A* only for the whole subject.

Also in October/November 20250653/11Paper 1 Multiple Choice (Core)0653/12Paper 1 Multiple Choice (Core)0653/13Paper 1 Multiple Choice (Core)0653/21Paper 2 Multiple Choice (Extended)0653/22Paper 2 Multiple Choice (Extended)0653/23Paper 2 Multiple Choice (Extended)0653/31Paper 3 Theory (Core)0653/32Paper 3 Theory (Core)0653/33Paper 3 Theory (Core)0653/41Paper 4 Theory (Extended)0653/42Paper 4 Theory (Extended)0653/51Paper 5 Practical Test 0653/52Paper 5 Practical Test 0653/61Paper 6 Alternative to Practical 0653/62Paper 6 Alternative to Practical 0653/63Paper 6 Alternative to Practical

Paper 4 Theory (Extended) — other years0653/04Specimen 2025 0653/42October/November 2025 0653/41October/November 2025 0653/42May/June 2025 0653/41May/June 2025 0653/43May/June 2025 0653/42February/March 2025 0653/41October/November 2024 All Combined Science papers →