Characteristics and classification of living organisms
2 subtopics · 2 questions
Cambridge IGCSE Combined Science exam questions
Exam-style questions for every subtopic, with mark schemes written the way examiners write them.
Organisation of the organism
2 subtopics · 11 questions
Movement into and out of cells
3 subtopics · 12 questions
Biological molecules
1 subtopic · 6 questions
Enzymes
1 subtopic · 5 questions
Plant nutrition
2 subtopics · 7 questions
Human nutrition
3 subtopics · 11 questions
Transport in plants
3 subtopics · 10 questions
Transport in animals
4 subtopics · 15 questions
Diseases and immunity
2 subtopics · 8 questions
Gas exchange in humans
1 subtopic · 2 questions
Respiration
1 subtopic · 3 questions
Drugs
1 subtopic · 7 questions
Reproduction
3 subtopics · 7 questions
- Sexual reproduction in plants 4 questions
- Sexual reproduction in humans 2 questions
- Sex hormones in humans 1 questions
Organisms and their environment
3 subtopics · 11 questions
- Energy flow, food chains and food webs 7 questions
- Nutrient cycles 3 questions
- Populations 1 questions
Human influences on ecosystems
2 subtopics · 7 questions
Experimental skills
1 subtopic · 6 questions