IB Biology

Science and Mathematics

Science and Mathematics
Science and Mathematics

What will you be working towards?

Code 109
Qualification Type International Baccalaureate Diploma
Qualification Level Level 3
Course type Full Time


Biology is the study of life.  The vast diversity of species makes biology both an endless source of fascination and a considerable challenge. Biologists attempt to understand the living world at all levels from the micro to the macro using many different approaches and techniques.

To develop student’s interest in and enthusiasm for biology, including developing an interest in further study and careers in the subject. 

To appreciate how society makes decisions about biology-related issues and how biology contributes to the success of the economy and society. 




  • Cell biology
  • Molecular biology
  • Genetics
  • Ecology
  • Evolution and Biodiversity
  • Human physiology
  • Nucleic acids
  • Metabolism, cell respiration and photosynthesis
  • Plant biology
  • Genetics and evolution
  • Animal physiology





How will it be delivered?

Paper 1: 40 multiple choice questions (1hr; 20%)

Paper 2: Data-based, short answer and extended response questions (2.25 hrs; 36%)

Paper 3: Data-based, short answer and extended response questions (1.25 hrs; 24%)

Internal Assessment

Individual Investigation: Personal research, investigation and write up (20%)

Entry requirements

Minimum of 5 9-5 grades in GCSE Examinations including English and Maths. 6 in Combined Science/Biology and a 5 in maths.

Your next steps...

Biology is a particularly useful science for those interested in becoming primary school teachers.

  • Physiotherapy
  • Veterinary
  • Nursing
  • Environmental Sciences
  • Teaching
  • Medicine