Across the 1,080-question practice bank on this site, certain questions get answered wrong far more often than others. We've ranked them by failure rate — and a clear pattern emerged. The hardest questions aren't the most obscure. They're the ones where the obvious-looking answer is the wrong one.
Here are the ten that catch out the most candidates, with the right answer, the wrong-answer trap, and a quick mnemonic to anchor it.
1. In what year was the Bill of Rights passed?
The answer: 1689.
The trap: people guess 1215 (Magna Carta) or 1707 (Act of Union with Scotland), confusing it with other landmark constitutional documents. The Bill of Rights came after the Glorious Revolution, when William and Mary took the throne and Parliament asserted its supremacy over the monarch.
Anchor it: "1689 — Bill of Rights — Parliament wins". Same decade as the Glorious Revolution (1688), one year later.
2. How many members are there in the Welsh Senedd?
The answer: 60.
The trap: Scotland has 129 MSPs and Northern Ireland has 90 MLAs, so people assume Wales has something in between. It doesn't — 60 is the smallest of the three devolved bodies. Note also: the Senedd was renamed from "National Assembly for Wales" in 2020. The handbook (2013) uses the old name; modern test materials should use Senedd.
Anchor it: "Scotland 129, Northern Ireland 90, Senedd 60". Population matters more than size — Wales has the smallest population.
3. Which of these is the patron saint of Northern Ireland?
The answer: St Patrick. Feast day 17 March.
The trap: many people pick St George (England's) by mistake, especially if the question lists all four saints. The four patron saints are: George (England, 23 April), Andrew (Scotland, 30 November), David (Wales, 1 March), Patrick (Northern Ireland, 17 March).
Anchor it: alphabetical by saint = alphabetical by nation. Andrew→A→Scotland, David→D→Wales, George→G→England, Patrick→P→Northern Ireland (Patrick goes with the only "Northern" nation — the P + N visual link helps).
4. The Beveridge Report was published in which year?
The answer: 1942.
The trap: people guess 1948 (the year the NHS was actually founded) or 1945 (end of WWII). The Beveridge Report was the blueprint, written during the war by William Beveridge as part of post-war reconstruction planning. Clement Attlee's Labour government implemented the welfare state — including the NHS in 1948 — based on that blueprint.
Anchor it: "Plan in 1942, NHS in 1948". The report came six years before the NHS opened its doors.
5. Who is the head of the Church of England?
The answer: The reigning monarch.
The trap: People answer "the Archbishop of Canterbury" because he's the most visible cleric. He's the senior cleric and primate, but constitutionally the monarch is the Supreme Governor of the Church of England. The arrangement dates back to Henry VIII's break with Rome in the 1530s.
Anchor it: Henry VIII didn't want to be a clergyman — he wanted to be the boss of the church. Every English/British monarch since has held that role.
6. Which two of these are British inventions? (Select two)
Common right answer combinations: World Wide Web (Tim Berners-Lee, 1989) + Penicillin discovery (Alexander Fleming, 1928).
The trap: "Select two" questions are mechanically tricky — both answers must be correct or you score zero. People often pick one obviously-British invention (penicillin) plus an obvious-looking distractor (telephone — actually Alexander Graham Bell, who was Scottish-born, but who developed the telephone in the US). The handbook is selective about which inventions it claims for Britain.
Anchor it: When you see "select two", read all four options twice before picking. Tick the two you're most confident about, then verify the other two are clearly wrong.
7. The Suffragette movement was led by which woman?
The answer: Emmeline Pankhurst.
The trap: people confuse her with Florence Nightingale (modern nursing, Crimean War), Emily Davison (the suffragette who died at the Epsom Derby), or even Margaret Thatcher (Britain's first female Prime Minister, 1979-1990). Pankhurst founded the Women's Social and Political Union in 1903 and led the militant campaign for women's votes. Women over 30 got the vote in 1918; women over 21 in 1928.
Anchor it: "Pankhurst → political union → won the vote". Davison was a member of Pankhurst's movement; Nightingale was a generation earlier.
8. What is the duty of a jury member in the UK?
The answer: To decide on the facts of the case (innocent or guilty).
The trap: People pick "to decide on the sentence" or "to decide what the law is". Neither is right. In UK criminal trials, the jury decides on the facts (did the defendant do it?), the judge decides on the law and the sentence. The split is fundamental to British justice.
Anchor it: "Jury → facts. Judge → law + sentence". 12 jurors in England, Wales and NI; 15 in Scotland.
9. The Act of Union with Scotland was in which year?
The answer: 1707.
The trap: people confuse it with 1801 (Act of Union with Ireland) or 1603 (Union of the Crowns, when James VI of Scotland became James I of England). The 1707 Act was the political union — one parliament, one country called Great Britain. The 1603 event was a personal union of one king ruling two countries.
Anchor it: "1603 — same king, two countries. 1707 — one country, one parliament. 1801 — Ireland joins."
10. In which year did the UK leave the European Union?
The answer: 31 January 2020.
The trap: People often pick 2016, which was the year of the referendum (52-48 in favour of leaving). The actual departure was four years later, after lengthy negotiations. Note: the 3rd-edition handbook predates Brexit entirely — it was published in 2013 — so a strict reading is that this question shouldn't appear in the official exam. But it does appear in many practice banks (including ours), because candidates need to know the answer for general knowledge and for citizenship interviews.
Anchor it: "Voted 2016, left 2020 — four years of arguing."
How to use this list
Don't just memorise these ten. Use them to calibrate your study:
- If you got more than 6 right without looking at the answers, your preparation is in good shape. Drill a few full practice tests to refine pacing.
- If you got 4-6 right, you're in the bulk of candidates — your knowledge is there but it has gaps. Focus on whichever chapters tripped you up (history if you missed dates, government if you missed institutional questions).
- If you got fewer than 4 right, hold off booking the £50 test. More study time first. Run our training mode for adaptive practice on your weak topics.
Every one of the 10 above is drawn from the official handbook — no trick questions, nothing outside scope. If you've seen them all here and locked them down, you'll have a slight edge over candidates who only practised on generic question pools.
Read next: