Past Paper Questions by Topic

Unit 1 Cell Biology

Transport Across Cell Membranes

DNA and the Production of Proteins

Genetic Engineering

Unit 2 Multicellular Organisms

Producing New Cells

Control and Communication

Variation and Inheritance

Transport Systems in Plants

Transport Systems in Animals and Absorption of Materials

Unit 3 Life on Earth

Distribution of Organisms

Energy in Ecosystems

Food Production

Evolution of Species

Unit 1 Cell Biology:

Mark Schemes

Cell Structure Mark Scheme

Transport Across Cell Membranes Mark Scheme

DNA dnthe Production of Proteins Mark Scheme

Proteins Mark Scheme

Genetic Engineering Mark Scheme

Respiration Mark Scheme

Unit 2Multicellular Organisms:

Mark Schemes

Producing New Cells Mark Scheme

Control and Communication Mark Scheme

Reproduction Mark Scheme

Variation and Inheritence Mark Scheme

Transport Systems in Plants Mark Scheme

Transport Systems in Animals and Absorption of Materials Mark Scheme

Unit 3 Life on Earth:

Mark Schemes

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Ecosystems Mark Scheme

Distribution of Organisms Mark Scheme

Photosynthesis Mark Scheme

Energy in Ecosystems Mark Scheme

Food Production Mark Scheme

Evolution of Species Mark Scheme

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