Topic Questions	Mark Schemes	Model Answers
Section 1: The nature and variety of living organisms
Characteristics of living organisms (1B) ​	Characteristics of living organisms (1B) MS ​	Characteristics of living organisms (1B) - Solutions
Variety of living organisms (1B)	Variety of living organisms (1B) MS	Variety of living organisms (1B) - Solutions
Section 2: Structures and func in living organisms
Level of organisation (1B)	Level of organisation (1B) MS	Level of organisation (1B) - Solutions
Cell structure (1B)	Cell structure (1B) MS	Cell structure (1B) - Solutions
Biological molecules (1B) 1	Biological molecules (1B) MS 1	Biological molecules(1B) - Solutions 1
Biological molecules (1B) 2	Biological molecules (1B) MS 2	Biological molecules (1B) - Solutions 2
Movement of substances into and out of cells (1B) 1	Movement of substances into and out of cells (1B) MS 1	Movement of substances into and out of cells (1B) – Solutions 1
Movement of substances into and out of cells (1B) 2	Movement of substances into and out of cells (1B) MS 2	Movement of substances into and out of cells (1B) – Solutions 2
Movement of substances into and out of cells (1B) 3	Movement of substances into and out of cells (1B) MS 3	Movement of substances into and out of cells (1B) – Solutions 3
Nutrition (1B) 1	Nutrition (1B) MS 1	Nutrition (1B) – Solutions 1
Nutrition (1B) 2	Nutrition (1B) MS 2	Nutrition (1B) – Solutions 2
Nutrition (1B) 3	Nutrition (1B) MS 3	Nutrition (1B) – Solutions 3
Nutrition (1B) 4	Nutrition (1B) MS 4	Nutrition (1B) – Solutions 4
Respiration (1B)	Respiration (1B) MS	Respiration (1B) – Solutions
Gas exchange  (1B) 1	Gas exchange  (1B) MS 1	Gas exchange (1B) – Solutions 1
Gas exchange  (1B) 2	Gas exchange  (1B) MS 2	Gas exchange (1B) -Solutions 2
Transport (1B) 1	Transport (1B) MS 1	Transport (1B) - Solutions 1
Transport (1B) 2	Transport (1B) MS 2	Transport (1B) – Solutions 2
Transport (1B) 3	Transport (1B) MS 3	Transport (1B) - Solutions 3
Coordination and response (1B) 1	Coordination and response (1B) MS 1	Coordination and response (1B) -Solutions 1
Coordination and response (1B) 2	Coordination and response (1B) MS 2	Coordination and response (1B) - Solutions 2
Coordination and response (1B) 3	Coordination and response (1B) MS 3	Coordination and response (1B) - Solutions 3
Section 3: Reproduction and inheritance
Reproduction (1B) 1	Reproduction (1B) MS 1	Reproduction (1B) - Solutions 1
Reproduction (1B) 2	Reproduction (1B) MS 2	Reproduction (1B) - Solutions 2
Reproduction (1B) 3	Reproduction (1B) MS 3	Reproduction (1B) - Solutions 3
Inheritance (1B) 1	Inheritance (1B) MS 1	Inheritance (1B) – Solutions 1
Inheritance (1B) 2	Inheritance (1B) MS 2	Inheritance (1B) – Solutions 2
Inheritance (1B) 3	Inheritance (1B) MS 3	Inheritance (1B) – Solutions 3
Section 4: Ecology and the environment
The organism in the environment (1B) 1	The organism in the environment (1B) MS 1	The organism in the environment (1B) - Solutions 1
The organism in the environment (1B) 2	The organism in the environment (1B) MS 2	The organism in the environment (1B) – Solutions 2
The organism in the environment (1B) 3	The organism in the environment (1B) MS 3 ​	The organism in the environment (1B) – Solutions 3
Feeding relationships (1B) 1	Feeding relationships (1B) MS 1	Feeding relationships (1B) – Solutions 1
Feeding relationships (1B) 2	Feeding relationships (1B) MS 2	Feeding relationships (1B) – Solutions 2
Feeding relationships (1B) 3	Feeding relationships (1B) MS 3	Feeding relationships (1B) - Solutions 3
Cycles within ecosystems (1B)	Cycles within ecosystems (1B) MS	Cycles within ecosystems (1B) – Solutions
Human influences on the environment (1B) 1	Human influences on the environment (1B) MS 1	Human influences on the environment (1B) – Solutions 1
Human influences on the environment (1B) 2	Human influences on the environment (1B) MS 2	Human influences on the environment (1B) – Solutions 2
Human influences on the environment (1B) 3	Human influences on the environment (1B) MS 3	Human influences on the environment (1B) – Solutions 3
Human influences on the environment (1B) 4	Human influences on the environment (1B) MS 4	Human influences on the environment (1B) – Solutions 4
Section 5: Use of biological resources
Food production (1B) 1	Food production (1B) MS 1	Food production (1B) – Solutions 1
Food production (1B) 2	Food production (1B) MS 2	Food production (1B) – Solutions 2
Food production (1B) 3	Food production (1B) MS 3	Food production (1B) - Solutions 3
Selective breeding (1B)	Selective breeding (1B) MS	Selective breeding (1B) - Solutions
Genetic modification (genetic engineering) (1B) ​	Genetic modification (genetic engineering) (1B) MS ​	Genetic modification (genetic engineering) (1B) - Solutions

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