Weekly General Knowledge Quiz — Week 21, 2026
A balanced GK round refreshed every seven days. Ten questions, instant scoring, and a written answer key with explanations below.
The weekly general knowledge quiz for week 21, 2026 is a free 10-question multiple-choice quiz covering encyclopedic knowledge, facts, quiz culture. Play it interactively on this page or read the full answer key below — no sign-up needed.
Play the General Knowledge quiz for week 21, 2026
About this week's edition
The ten questions rotate through difficulty levels deliberately: openers you should get, a middle that makes you think, and one or two closers designed to be missed by most players.
General knowledge is the connective tissue between subjects: a little history, a little science, a little geography, and the odd fact that fits nowhere else. This weekly GK round mixes classic quiz staples with less familiar material so that regulars and first-timers both find something new.
Unlike single-topic rounds, a GK quiz rewards breadth. If you read widely — or simply pay attention — you will do well here even without specialist knowledge in any one field.
How to play
- Read each question and tap one of the four options.
- The correct answer is highlighted immediately, with a one-line explanation.
- Your running score appears in the bar above the questions.
- Answer all ten to see your final result and verdict.
Scoring guide
| Score | Verdict |
|---|---|
| 9–10 | Expert — you could set next week's questions. |
| 7–8 | Strong — comfortably above the typical player. |
| 5–6 | Average — the most common band for this round. |
| 0–4 | Warm-up — read the explanations and replay. |
Answer key — General Knowledge quiz, 2026 · WK 21
Prefer to read rather than play? Open each question below to reveal the answer and the reasoning.
Q1. Which planet is known as the Red Planet?
Mars
Iron oxide — rust — in Martian soil gives Mars its reddish appearance.
Q2. What is the speed of light in a vacuum, approximately?
300,000 km/s
Light travels at about 299,792 kilometres per second in a vacuum — fast enough to circle Earth roughly 7.5 times in one second.
Q3. How many bones does an adult human body typically have?
206
Babies are born with around 300 bones, many of which fuse; adults typically end up with 206.
Q4. At sea level, water boils at what temperature in Celsius?
100°C
At standard atmospheric pressure water boils at 100°C; at altitude, lower pressure lowers the boiling point.
Q5. What does the Roman numeral 'C' represent?
100
C stands for 100, from the Latin centum — the same root as 'century' and 'cent'.
Q6. Which language has the most native speakers worldwide?
Mandarin Chinese
Mandarin Chinese has roughly 900 million native speakers, far ahead of any other language by first-language count.
Q7. Which metal is liquid at room temperature?
Mercury
Mercury melts at about −39°C, making it the only metal that is liquid under ordinary room conditions.
Q8. What is the smallest country in the world by area?
Vatican City
Vatican City covers about 0.49 square kilometres — smaller than many city parks.
Q9. The unicorn is the national animal of which country?
Scotland
Scotland adopted the unicorn — a medieval symbol of purity and power — as its national animal.
Q10. Honey found in ancient tombs was discovered to be what?
Still edible
Honey's low moisture and acidity make it essentially non-perishable; millennia-old Egyptian honey remained edible.
FAQs — General Knowledge, 2026 · WK 21
Are the questions multiple choice?
Yes, every question offers four options with exactly one correct answer — the format that works best for quick weekly play and fair scoring.
Can I see the answers for the week 21, 2026 General Knowledge quiz without playing?
Yes. Scroll to the printed answer key below the interactive quiz — each answer is listed with a short explanation of why it is correct.
Is the Weekly General Knowledge Quiz free to play?
Yes — every quiz on this site is free, requires no account, and stores no personal data. Your score is calculated in your browser and never leaves it.
What is a good score on the General Knowledge quiz for week 21, 2026?
Six out of ten is a solid pass, eight or more puts you well above the typical player, and a perfect ten is genuinely uncommon on this edition.
How is this different from last week's General Knowledge quiz?
The question selection, option order, and mixed-in bonus questions all rotate weekly, so the week 21, 2026 edition is a distinct set from the week before.
Where can I find older General Knowledge quizzes?
The weekly quiz archive lists every past edition by ISO week, and each quiz page links to the previous and next week at the bottom.
How long does the week 21, 2026 General Knowledge quiz take?
Most players finish in three to five minutes. There is no timer, so you can take as long as you like.
What happens if I answer a question wrong?
The correct option is highlighted immediately and a one-line explanation appears, so a wrong answer still teaches you the fact.
Does the General Knowledge quiz work on mobile?
Yes — the quiz is a lightweight static page that works on any modern phone browser, with large tap targets and no app required.
Can I replay the week 21, 2026 edition?
Reload the page and the quiz resets. Because scores are never stored, replaying is always a clean slate.
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