[Challenging] General Knowledge Quiz Compilation: Difficult and Interesting Multiple-Choice Questions (3 Options)
Quizzes themed around trivia, which test knowledge across a wide range of fields, are recommended for those who are curious about various topics in everyday life and actively engage with them.
We’ve assembled a broad selection of questions, including those based on scientific evidence and those inspired by historical backgrounds.
A key point is that you can not only answer trivia-themed quiz questions but also build knowledge and gain deeper understanding by reading the explanations alongside them.
Because the questions can be challenging, you’ll feel a sense of accomplishment when you solve them.
Give these refreshing, trivia-based quizzes a try.
- A three-choice quiz of useful trivia: a collection of questions you can use in everyday life
- A collection of challenging quizzes for adults [Difficult]
- [Killing Time] A Collection of Fun Trivia Quizzes You'll Want to Share with Someone
- [Interesting] Compilation of Trivia Quiz Questions
- Surprisingly unknown? Trivia Quiz [Multiple Choice: 3 Options]
- Aim for a perfect score! A three-choice common knowledge quiz that deepens your understanding
- A quiz of fun trivia: bite-sized knowledge that leads to new insights.
- [Challenging and Fun!] Quizzes & Riddles for Adults
- Become a trivia master with a multiple-choice quiz for elementary schoolers! A fun problem collection that captivates both kids and adults
- General knowledge quiz time! From trivia to questions about Japan and the world
- A quiz site for university students, featuring everything from academic to entertainment quizzes!
- Deepen your knowledge of food! A three-choice trivia quiz
- [Battle of Wits] Stimulate your intellectual curiosity! Quiz questions that get adults excited
[Difficult] General Knowledge Quiz Collection: Challenging and Fun Multiple-Choice Questions (1–10)
What kind of book became a bestseller in September 1945, right after the end of the war?
- cookbook
- A book about a reconstruction plan
- Japan-U.S. Conversation Handbook
See the answer
Japan-U.S. Conversation Handbook
The book that became a bestseller in September 1945, right after the end of the war, was a Japanese-American conversation handbook, which was needed to adapt to the new lifestyle and various changes. Driven by the need to rebuild postwar life, reform education, and reorganize knowledge, many people picked up the conversation handbook to learn new language, giving rise to this phenomenon.
What are gold medals made of?
- pure gold
- Silver and gold plating
- Copper and gold plating
See the answer
Silver and gold plating
Olympic gold medals are not actually made of pure gold. According to the International Olympic Committee (IOC) regulations, a gold medal must be made of at least 92.5% silver and plated with a minimum of 6 grams of gold. This standard has remained unchanged since the 1912 Stockholm Olympics. Therefore, a gold medal is essentially composed of silver with a gold plating.
Why doesn’t kombu release umami (dashi) while it’s in the ocean?
- Because the water temperature is too low
- Because the kelp is alive
- Because seawater is saturated with salt
See the answer
Because the kelp is alive
The reason kombu doesn’t release broth while it’s alive is that its cells prevent the flavor compounds from escaping. As long as kombu is alive, its cell membranes function properly, keeping the umami components inside. In contrast, once kombu is harvested and dried, the cell membranes stop functioning, and adding water makes it easier for the umami to be extracted.
Which university is the origin of the name ‘college-ruled notebook’?
- Waseda University
- The University of Tokyo
- Osaka University
See the answer
The University of Tokyo
The origin of the term “daigaku note” (college notebook) traces back to the University of Tokyo in Japan. These notebooks were named as such because they were designed in a format that allowed University of Tokyo students to use them efficiently. Created with a fixed number of lines and considerations for character size to make note-taking in class convenient, they were named with academic use in mind.
What is the rare phenomenon that occurs in bamboo about once every 60 years?
- Somatic mosaicism in leaves and branches
- mass blooming
- Duplication of the trunk
See the answer
mass blooming
In certain bamboo species, a phenomenon known as "mass flowering" occurs at very long intervals—about once every 60 years. Entire bamboo groves bloom simultaneously and then die within a short period. The flowering cycle varies by species, but a defining feature is that they bloom all at once after decades-long intervals. After flowering, the bamboo leaves seeds and then dies, beginning a new cycle in which fresh bamboo grows. In this way, bamboo passes on new life to the next generation.