It is a 45-minute computerised multiple-choice test with 24 questions. It is taken by persons applying to become UK citizens or permanent residents (Indefinite Leave to Remain (ILR) in the UK or naturalisation as a British citizen). The test is designed to assess the applicant's knowledge of British traditions and customs - UK life - the material of which can be found in the "citizenship test handbook" The Official Life in the United Kingdom - A Guide for New Residents.
This "life in the UK book" covers:
The process of becoming a citizen or permanent resident
The values and principles of the UK
Traditions and cultures from around the UK
The people and events that shaped the history of the UK
The UK government and the law
Your role as a citizen and getting involved in your community