Test 15 — Life in the UK Test Practice
About Test 15 (Official 3rd Edition Handbook)
Test 15 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 Test 15
Which British scientist made important discoveries working with steam power?
Correct Answer: James Watt
James Watt (1736–1819) was a Scottish engineer who made crucial improvements to the steam engine, making it far more efficient and practical. His work helped power the Industrial Revolution. The unit of power, the watt, is named after him.
David Hume and Adam Smith were Scottish philosophers/economists; Alan Turing was a mathematician and computer scientist.