Test 25 — Life in the UK Test Practice
About Test 25 (Official 3rd Edition Handbook)
Test 25 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 25

A National Insurance number does on its own prove to an employer that you have the right to work in the UK:
Correct Answer: False
This statement is False. A National Insurance number is used for the payment of National Insurance contributions and tax — but it does not on its own prove to an employer that a person has the right to work in the UK.
Employers must carry out separate right to work checks using documents such as a passport, visa, or biometric residence permit.