IGCSE Co-ordinated Sciences 0654 · 0654/21
October/November 2025 Paper 21
- Extended
- 45 minutes
- 40 marks
- Variant 1
What's in this paper
40 questions · 40 marks. Topics come from our question bank.
- Q1Characteristics of living organisms1 mark
- Q2Cells1 mark
- Q3Transport in plants1 mark
- Q4Biological molecules1 mark
- Q5Enzymes1 mark
- Q6Plant nutrition1 mark
- Q7Human nutrition1 mark
- Q8Transport in animals1 mark
- Q9Respiration1 mark
- Q10Coordination and response1 mark
- Q11Reproduction1 mark
- Q12Inheritance1 mark
- Q13Organisms and their environment1 mark
- Q14Atoms, elements and compounds1 mark
- Q15Atoms, elements and compounds1 mark
- Q16Electrochemistry1 mark
- Q17Chemical reactions1 mark
- Q18Acids, bases and salts1 mark
- Q19Acids, bases and salts1 mark
- Q20The Periodic Table1 mark
- Q21The Periodic Table1 mark
- Q22Metals1 mark
- Q23Organic chemistry1 mark
- Q24Organic chemistry1 mark
- Q25Organic chemistry1 mark
- Q26Experimental techniques and chemical analysis1 mark
- Q27Experimental techniques and chemical analysis1 mark
- Q28Motion, forces and energy1 mark
- Q29Motion, forces and energy1 mark
- Q30Motion, forces and energy1 mark
- Q31Thermal physics1 mark
- Q32Waves1 mark
- Q33Waves1 mark
- Q34Waves1 mark
- Q35Waves1 mark
- Q36Electricity and magnetism1 mark
- Q37Electricity and magnetism1 mark
- Q38Electricity and magnetism1 mark
- Q39Nuclear physics1 mark
- Q40Space physics1 mark
Cambridge file names0654_w25_qp_21 · 0654_w25_ms_21