Edexcel IGCSE Double Science – Biology: Topic Questions

Questions organised by topic with model answers for the Edexcel IGCSE Double Science: Biology course.

QuestionsModel Answers
Section 1: The nature and variety of living organisms
Characteristics of living organisms (1B) ​ Characteristics of living organisms (1B) - Solutions ​
Variety of living organisms (1B) Variety of living organisms (1B) - Solutions
Section 2: Structures and func in living organisms
Level of organisation (1B) Level of organisation (1B) - Solutions




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Cell structure (1B)
Biological molecules (1B) 1
Biological molecules (1B) 2
Movement of substances into and out of cells (1B) 1
Movement of substances into and out of cells (1B) 2
Movement of substances into and out of cells (1B) 3
Nutrition (1B) 1
Nutrition (1B) 2
Nutrition (1B) 3
Nutrition (1B) 4
Respiration (1B)
Gas exchange  (1B) 1
Gas exchange  (1B) 2
Transport (1B) 1
Transport (1B) 2
Transport (1B) 3
Coordination and response (1B) 1
Coordination and response (1B) 2
Coordination and response (1B) 3
Section 3: Reproduction and inheritance
Reproduction (1B) 1
Reproduction (1B) 2
Reproduction (1B) 3
Inheritance (1B) 1
Inheritance (1B) 2
Inheritance (1B) 3
Section 4: Ecology and the environment
The organism in the environment (1B) 1
The organism in the environment (1B) 2
The organism in the environment (1B) 3
Feeding relationships (1B) 1
Feeding relationships (1B) 2
Feeding relationships (1B) 3
Cycles within ecosystems (1B)
Human influences on the environment (1B) 1
Human influences on the environment (1B) 2
Human influences on the environment (1B) 3
Human influences on the environment (1B) 4
Section 5: Use of biological resources
Food production (1B) 1
Food production (1B) 2
Food production (1B) 3
Selective breeding (1B)
Genetic modification (genetic engineering) (1B) ​