Home IGCSE Biology

IGCSE Edexcel Biology

Complete revision notes and practice questions for Pearson Edexcel IGCSE Biology (4BI1). Double Award & Separate Sciences — organised and ready to go.

4BI1Spec Code
2Papers (1B & 2B)
5Sections
Also available for: Edexcel AQA OCR CIE IGCSE Edexcel
Sections 1-2
🌍
Section 1: Nature and Variety of Living Organisms
2 sub-topics
Sections 1-2
1.1
Characteristics of Living Organisms
Notes Practice
1.2
Variety of Living Organisms
Notes Practice
🔬
Section 2a: Cells and Nutrition
3 sub-topics
Sections 1-2
2.1
Cell Structure and Organization
Notes Practice
2.2
Movement of Substances
Notes Practice
2.3
Nutrition in Plants and Humans
Notes Practice
🫁
Section 2b: Respiration and Gas Exchange
2 sub-topics
Sections 1-2
2.4
Respiration
Notes Practice
2.5
Gas Exchange in Plants and Humans
Notes Practice
🩸
Section 2c: Transport and Excretion
2 sub-topics
Sections 1-2
2.6
Transport in Plants and Humans
Notes Practice
2.7
Excretion in Plants and Humans
Notes Practice
🧠
Section 2d: Coordination and Response
1 sub-topic
Sections 1-2
2.8
Coordination and Response
Notes Practice
Struggling with IGCSE Edexcel Biology?

Book a 1-on-1 session with an Edexcel specialist tutor. We’ll match you with someone who knows the 4BI1 spec inside out.

Book a Consultation →
Sections 3-5
🧬
Section 3: Reproduction and Inheritance
2 sub-topics
Sections 3-5
3.1
Reproduction
Notes Practice
3.2
Inheritance
Notes Practice
🌱
Section 4: Ecology and the Environment
3 sub-topics
Sections 3-5
4.1
The Organism in the Environment
Notes Practice
4.2
Feeding Relationships and Cycles
Notes Practice
4.3
Human Influences on the Environment
Notes Practice
🚜
Section 5: Use of Biological Resources
3 sub-topics
Sections 3-5
5.1
Food Production
Notes Practice
5.2
Selective Breeding & Genetic Modification
Notes Practice
5.3
Cloning
Notes Practice

No topics found

Try adjusting your search or filter.

Need Help with IGCSE Biology?

Work with an experienced tutor who knows the Pearson Edexcel specification inside out.

S
Sehaj
Founder & Lead Tutor
14 years experience helping students achieve top grades.
Book a Consultation →
Or explore all tutoring options →

Ready to Get Started?

Book a consultation and we’ll match you with the right tutor. 60 minutes, £3.99 refundable deposit.

Book a Consultation →