Edexcel, specification 4BI1
Edexcel International GCSE Biology
Edexcel International GCSE Biology (4BI1) is sat as two untiered papers: Paper 1 (2 hours, 110 marks) and Paper 2 (1 hour 15 minutes, 70 marks). Here are all 5 topics and 14 practicals, with free revision notes, exam questions with mark schemes, flashcards and mind maps.
What do you want to do?
Topics
All papers
Any topic can come up on any paper · Paper 1: 2 hours · Paper 2: 1 hour 15 minutes- 1The nature and variety of living organismsCharacteristics and variety of living organisms1 subtopic
- 2Structure and functions in living organismsCells and levels of organisation · Biological molecules and enzymes · Movement of substances into and out of cells · Nutrition in flowering plants · Human nutrition · Respiration · Gas exchange in flowering plants · Gas exchange in humans · The need for transport and transport in plants · Blood and the immune system · The heart and circulation · Excretion · Coordination, homeostasis and plant responses · The nervous system and the eye · Hormones and temperature control15 subtopics
- 3Reproduction and inheritanceSexual and asexual reproduction, and reproduction in plants · Human reproduction · DNA, genes and protein synthesis · Inheritance · Cell division, variation and evolution5 subtopics
- 4Ecology and the environmentThe organism in the environment · Feeding relationships · Cycles within ecosystems · Human influences on the environment4 subtopics
- 5Use of biological resourcesFood production: crop plants · Food production: micro-organisms and fish farming · Selective breeding and genetic modification · Cloning4 subtopics
What the labels mean
- Biology only
- Only in International GCSE Biology. Double Award students can skip it.
Anything without a label is for everyone taking Edexcel International GCSE Biology.
About Edexcel International GCSE Biology
Pearson Edexcel International GCSE Biology (4BI1) is the full biology qualification, graded 9 to 1. It has five topics and two untiered written papers, and questions can come from any topic on either paper. Paper 1 tests the core content. Paper 2 tests everything, including the statements in bold with a B reference, which are labelled Biology only on this site. Practicals are part of the content and are tested in the written papers.
Paper 1
- Time
- 2 hours
- Marks
- 110 marks, 61.1% of the qualification
- Topics
- All five topics, without the Biology only content
Paper 2
- Time
- 1 hour 15 minutes
- Marks
- 70 marks, 38.9% of the qualification
- Topics
- All five topics, including the Biology only content