Glowit

How to Write Good Quiz Questions (With Real Examples)

Good quiz questions are short, unambiguous, and have exactly one defensible correct answer, surrounded by wrong options that could each fool somebody. If a player can read the question in under ten seconds and every distractor sounds plausible, you have written a good quiz question.

This guide covers the craft: building a difficulty curve, writing distractors that actually work, keeping questions short enough for live play, and mixing in open questions - with good and bad examples throughout. At the end, we show how to let Glowit's free AI generator draft the quiz so you only do the fun part: polishing.

Create a free quiz on Glowit

Start with a difficulty curve, not a question list

A good quiz feels like a rollercoaster, not an exam. The order of your questions matters as much as the questions themselves:

  • Open with 2-3 easy questions most players will get right - it builds confidence and teaches everyone the rhythm of the game.
  • Put medium questions in the middle - this is where the leaderboard gaps open up.
  • Save one or two genuinely hard questions for near the end, when points matter most and tension peaks.
  • Never open with your hardest question - a player who whiffs question one checks out for the rest of the game.
  • Rule of thumb: about 80% should get an 'easy' question right, roughly half a 'medium' one, and only the sharpest a 'hard' one.

Write distractors that could actually fool someone

When writing multiple choice questions, the distractors - the wrong options - are 80% of the work. Example: 'What is the chemical symbol for gold?' A weak option set: Au, Banana, Seven, Blue. A strong set: Au, Ag, Fe, Cu. The answer is Au, but Ag (silver), Fe (iron), and Cu (copper) are all real element symbols - so a guesser has real work to do.

  • Keep every distractor in the same category as the answer: a year among years, a country among countries, a name among names.
  • Match option lengths - the longest option is a well-known giveaway.
  • The best distractors are common misconceptions: things people genuinely believe are true.
  • Skip 'all of the above' and 'none of the above' in live play - they slow down reading against a timer.
  • Four options is the sweet spot for a phone screen.

Keep it short: length rules for live play

In a live game, players read on their phones while a timer counts down. A bad question: 'Which one of the following countries, all of which are located in the Americas, is not generally considered the largest by area in South America?' A good question: 'Which is the largest country in South America?' - Brazil / Argentina / Peru / Colombia. Answer: Brazil.

  • Keep the question under about 15 words - if players have to scroll, they lose thinking time.
  • Keep answers between one and five words each.
  • One fact per question. A double-barreled question ('Who wrote it, and when?') should be split into two.
  • No double negatives. 'Which country is not outside…' is a riddle, not a question.
  • If context is needed, front-load it and put the actual question at the end of the sentence.

Mix in open questions - sparingly

An open question (where players type the answer) breaks the tap-an-option rhythm and raises the challenge, because nobody can guess their way through. It works best when the answer is short and definitive: 'What is the capital of France?' - Paris. Avoid open questions with multiple valid phrasings or tricky spelling.

Rule of thumb: one or two open questions per ten. That is enough variety without slowing the pace of a live game.

Let AI draft, then polish by hand

Once you know what makes a question good, there is no reason to start from a blank page. Glowit's AI quiz generator creates a full quiz from a topic or an uploaded file (PDF, DOCX, HTML, or TXT, up to 60,000 characters) - up to 25 multiple-choice questions, shaped by optional instructions such as grade level or difficulty. The free monthly allowance is 100 AI questions (no rollover), plus 20 more per rewarded ad watched.

Run the draft through a short checklist: verify every fact, tighten the wording, check that each distractor could fool someone, and reorder for a difficulty curve. Then take it live: players join from their phones with a 5-digit room code and a nickname - no account, no app - with a timer, a live leaderboard, and a podium at the end, for up to 200 players.

Frequently asked questions

How many answer options should a quiz question have?
Four is the standard: enough that blind guessing only succeeds 25% of the time, while everything still fits on one phone screen without scrolling. Fewer than three is too easy to guess; more than five takes too long to read in live play.
How long should a quiz question be?
Keep questions under about 15 words, with answer options of one to five words each. In a live game with a countdown timer, every extra word steals thinking time - and players are reading on small phone screens.
How many questions should a live quiz have?
10-15 questions makes a solid 15-20 minute game that ends just before the energy dips. Glowit's AI generator produces up to 25 questions per run, so you can target the exact length you need.
What makes a good distractor?
A good distractor is in the same category as the correct answer, roughly the same length, and ideally based on a real misconception people hold. If nobody ever picks it, it is just taking up space on the screen.
Can AI write my quiz questions for me?
Yes. Glowit's AI generator drafts a full quiz from a topic or a document up to 60,000 characters - free, with a monthly allowance of 100 AI questions. Always review the draft: verify facts, tighten wording, and reorder for difficulty before playing.
Should quiz questions get harder as the quiz goes on?
Yes. An easy opening pulls everyone in, a medium middle opens leaderboard gaps, and a hard question near the end creates drama when the points matter most. A quiz that starts hard loses players on question one.