Chapter III Test 3 — Life in the UK Test Practice
About Chapter III Test 3 (Official 3rd Edition Handbook)
Chapter III Test 3 is a free 24-question practice test for British citizenship naturalisation and Indefinite Leave to Remain (ILR / settlement) applicants in the United Kingdom. Every question is written directly from the official Home Office handbook, Life in the UK: A Guide for New Residents (3rd Edition), covering British values, UK history, society, and government. To pass the official Life in the UK Test (booking fee £50 at gov.uk), candidates must answer at least 18 out of 24 multiple-choice questions correctly (75% pass mark) within 45 minutes.
Life in the UK Chapter III Test 3

Which flag has a diagonal red cross on a white ground?
Correct Answer: The cross of St Patrick, patron saint of Ireland
The cross of St Patrick, patron saint of Ireland, features a diagonal red cross on a white ground.
When Ireland joined Great Britain in 1801 under the Acts of Union, St Patrick's cross was incorporated into the Union Flag (the Union Jack), joining the crosses of St George (England) and St Andrew (Scotland).