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  1. GCSE
  3. Biology Edexcel

Biology

Spec 1BI0

Free Edexcel GCSE Biology revision for Foundation and Higher tier: 1,938 exam-style questions and past papers from 2018–2025 with mark schemes.

1 Key concepts in biology

1.1 Cells and cell structure

1.2 Number, size and scale

1.3 Enzymes

1.4 Transport across cell membranes

2 Cells and control

2.1 Cell division and growth

2.2 Stem cells

2.3 The nervous system and brain

2.4 The eye

3 Genetics

3.1 Reproduction and meiosis

3.2 DNA and protein synthesis

3.3 Inheritance

3.4 Variation and the Human Genome Project

4 Natural selection and genetic modification

4.1 Evolution and natural selection

4.2 Evidence for evolution and classification

4.3 Selective breeding and genetic modification

5 Health, disease and the development of medicines

5.1 Health and communicable disease

5.2 Plant and body defences

5.3 Immune system and medicines

5.4 Non-communicable diseases

6 Plant structures and their functions

6.1 Photosynthesis

6.2 Transport in plants

6.3 Plant hormones

7 Animal coordination, control and homeostasis

7.1 Hormones and coordination

7.2 Reproductive hormones

7.3 Homeostasis and thermoregulation

7.4 Blood glucose and the urinary system

8 Exchange and transport in animals

8.1 Exchange surfaces and diffusion

8.2 Blood and circulation

8.3 Respiration

9 Ecosystems and material cycles

9.1 Ecosystems and interdependence

9.2 Energy transfer and biodiversity

9.3 Material cycles and decomposition

Assessment at a glance

AssessmentFormatDurationMarksWeighting
Paper 1Written exam1h 45m100 marks50%
Paper 2Written exam1h 45m100 marks50%

Course aims & skills

Edexcel GCSE Biology builds the skills examiners reward. By the end of the course you should be able to:

  • recall scientific facts, terms, definitions and units
  • apply knowledge and understanding to unfamiliar situations
  • interpret, analyse and evaluate experimental data
  • plan investigations and evaluate methods and conclusions
  • carry out the required practicals and describe the techniques
  • use and rearrange equations, and work with significant figures
  • process data with appropriate maths skills
  • construct and read graphs, tables and diagrams
  • build and communicate evidence-based scientific arguments

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