100 Questions and Answers to Expand Your Knowledge

Knowledge is usually understood as the facts or the information we acquire throughout our lives. Undoubtedly, school is one of the places where we obtain the most knowledge; However, our own experience or the hours we spend watching television (for example, documentaries) or surfing the Internet can also provide valuable information.

However, it is necessary to be careful with the quality of the information we receive through digital media, which can often saturate and overwhelm us. This phenomenon is called infoxication.

Questions and answers to expand your culture

If you are one of those curious people who likes to constantly learn new things, below you can find a list of questions and answers to expand your knowledge on topics such as science, art, history, etc.

1. What do koalas eat?

Koalas are herbivorous animals that have a poorly varied diet. They feed on eucalyptus leaves.

2. What differentiates iron from steel?

Mainly, iron is an element while steel is an alloy or combination of iron with carbon. although it may also contain other metals in small proportions, such as nickel, manganese or chromium.

3. Who invented the telescope?

The invention of the telescope is attributed to the Dutchman Hans Lippershey, although Recent investigations indicate that it was Juan Roget.

4. What was Walt Disney’s first film?

Snow White and the Seven Dwarfs, Disney’s first feature film. It was launched in 1937.

5. How many satellites do we have orbiting the earth?

According to data from the United Nations Office for Outer Space Affairs (UNOOSA), in 2016, there were 4,256 satellites, of which only 1,419 are active.

6. How many times does a person blink?

A person blinks around 25,000 times a week.

7. Most populated city in the world?

The Japanese city of Tokyo is the most populated in the world, with 38 million inhabitants.

8. How many bones are in the human body?

The number of bones contained in an adult human being is 206. Neonates They have around 300 bones.

9. What continent is the Republic of Kazakhstan on?

The Republic of Kazakhstan is a transcontinental country, with most of its territory located in Central Asia and a smaller part in Europe.

10. Where do the Olympic Games originate from?

Initially, the Olympic games were held in Olympia (Ancient Greece).

11. What is the longest river in the world?

The largest river in the world is the Nile, which is located in the eastern part of Africa.

12. And the longest river in Spain?

The Tagus River is the longest in the Iberian Peninsula at 1,038 km.

13. What are the five types of primary flavors?

The primary flavors are: sweet, bitter, sour, salty and umami.

14. Who wrote The Odyssey?

Homer was the author of this 24-song poem.

15. What is the best-selling album in history?

The musical album that has achieved the most sales is Michael Jackson’s second solo album. It has sold between 51 to 65 million copies.

16. Who is Kim Jong-un?

Kim Jong-un is the controversial head of North Korea’s military forces, in addition to being the president of the Workers’ Party of Korea.

17. Who painted “The Last Supper”?

Leonardo da Vinci was the author of this great work.

18. What type of animal is the whale?

This animal is a marine mammal, which can measure up to 30 meters in length.

19. What is the largest ocean?

The Pacific Ocean, with a total area of ​​165,700,000 km².

20. What is the largest country in the world?

The largest country on the planet is Russia, with the largest area: 17,075,200 km².

21. What is the Moroccan currency?

The dirham is the currency of Morocco

22. What is the name of the capital of Mongolia?

The capital of this Asian country is called Ulan Bator.

23. What product is Guatemala known for growing?

The product that is most grown in Guatemala is coffee.

24. What is the name of the Queen of the United Kingdom?

The British queen is called Elizabeth II.

25. In what year did World War II begin?

This war, one of the most important in the history of humanity, began in 1939.

26. What is ozone?

Ozone is a gas that contains molecules made up of three oxygen atoms (its formula is O3). It is formed in the atmosphere.

27.Why does iron rust?

Iron oxidizes due to a redox (or oxidation-reduction) reaction, since electrons are exchanged between the reactants so that their oxidation states change. In this type of reaction, a substance loses electrons (it rusts), and another wins.

28. What sport did Carl Lewis play?

Carl Lewis is considered one of the legendary figures of athletics.

29. What is the fifth planet in the solar system?

Within the solar system, the planet that occupies fifth place in terms of distance from the sun is Jupiter.

30. Which is the most populated country on Earth?

China, with a shocking figure: 1,383,488,571 inhabitants.

31. Why do we yawn?

The answer to this question is not entirely clear, but there are several hypotheses, you can check them in the article: “Why do we yawn and what function do yawns have?”

32. What is the capital of Kosovo?

The capital of this Balkan country Pristina.

33. In which country was the first atomic bomb used in combat?

This destructive bomb was first used in Hiroshima (Japan).

34. What is the most expensive metal in the world?

The most expensive metal in the world It’s not gold or platinum, it’s rhodium.

35. What is the capital of Sweden?

The capital of Sweden is Stockholm.

36. What types of learning are there?

There are several types of learning, you can check them in the article: “The 13 types of learning: what are they?”

37. In which country is Stanford University located?

Stanford University is one of the most prestigious in the world and is located in the United States.

38. What is bigger, an atom or a cell?

A cell is larger than an atom.

39. When did the First World War start?

The year of the start of the First World War is 1914.

40. What is an oviparous?

Animals that are born from an egg They are considered oviparous

41. What branch of Biology studies animals?

The branch of biology that studies animals is zoology.

42. What was parchment made with?

The material with which a parchment was made was animal skin.

43. What is the name of the fastest land animal in the world?

The fastest animal on the planet reaches a speed of 104 kilometers per hour, and it’s the cheetah.

44. What is the main area of ​​art in the Goya awards?

The Goya Awards are awards given in recognition of the best films in Spain.

45. What architectural style is the Notre Dame Cathedral in Paris?

The Notre Dame Cathedral is Gothic in style.

46. ​​Who discovered Peru in the eyes of the West?

The first European discoverer of Peru It was Francisco Pizarro.

47. What is the name of the French national anthem?

La Marseillaise is the name given to the national anthem of France.

48. What country do Cariocas belong to?

The inhabitants born in the Brazilian city of Rio de Janeiro are called Cariocas.

49. In which country is the famous Taj Mahal monument located?

India is home to this historic monument.

50. What is the name of the official language in China?

Mandarin is the official language in this immense country.

51. How many co-official languages ​​exist in Spain?

In Spain, in addition to Spanish as the official language, there are four co-official languages: Catalan, Basque, Galician and Aranese.

52. What is the deepest lake in the world?

Lake Baikal is the deepest in the world with 1,680 m depth.

53. What is the name of the Russian space station?

MIR is the name given to the Russian space station.

54. What was the first metal that man used?

copper It is the first metal used by our species.

55. Where in the body is insulin produced?

Insulin is produced in the pancreas.

56. Do the English drive on the left or the right? Because?

The English drive on the left. The reason is that, after the French Revolution and Napoleon’s imposition of driving on the right, the vast majority of European countries under Napoleon’s conquest adopted this measure. This was not the case in England, a land that Napoleon could not conquer.

57. Who is the first human to walk on the moon?

American astronaut Neil Alden Armstrong He was the first human being to set foot on lunar soil.

58. What language does Spanish come from?

Latin is the language from which the origins of Spanish came, as well as the majority of languages ​​currently spoken in Spain: Galician, Catalan and Occitan.

59. Who uttered the phrase “I only know that I know nothing”?

Although Plato collected it for the first time, The phrase was uttered by Socrates.

60. What is the capital of Iran?

The capital of Iran is Tehran, the city of love.

61. Who is the author of Don Quixote?

This famous work was written by Miguel de Cervantes.

62. Where is the Sagrada Familia located?

The city of Barcelona is the place where this Catholic basilica designed by Antonio Gaudí is located.

63. What optical instrument allows you to see the stars up close?

When we want to see a star up close we have to use a telescope.

64. What group of islands do Haiti and Puerto Rico belong to?

Both islands belong to the Greater Antilles.

65. What is smaller, an atom or a molecule?

An atom is smaller than a molecule. In fact, molecules are made of atoms.

66. What is the only mammal capable of flying?

The only mammal that flies is the bat.

67. How many teeth does an adult person have?

The number of teeth that an adult person has is 32.

68. What fats are known as good fats?

There are different types of fats. The healthy ones are the unsaturated ones which can be divided into monounsaturated and polyunsaturated.

69. What is the holy book of the Muslim religion?

The Koran is the holy book of Islam.

70. What is a newspaper library?

The newspaper library is a collection of magazines, newspapers and periodicals.

71. Who wrote “Hamlet”?

William Shakespeare was the author of Hamlet, and he wrote this novel in the 16th century.

72. What was the Concorde?

The Concorde was a supersonic plane that transported travelers.

73. What is the country of birth of Pablo Neruda?

Pablo Neruda was born in Chile, specifically in Parral.

74. What is the Gauss Bell used for?

It is used in calculating probabilities.

75. According to biblical writings, who betrayed Jesus?

Judas was, according to the Bible, the one who betrayed Jesus of Nazareth.

76. Of which state was Napoleon Bonaparte emperor?

Napoleon was emperor of france during the French revolution.

77. What is nuclear energy?

It is the energy contained in the nucleus of atoms.

78. What is photosynthesis?

It is the process by which plants obtain food.

79. How many years did the 100 Years War last?

This war lasted 116 years.

80. What disease does Stephen Hawking suffer from?

Amyotrophic Lateral Sclerosis (ALS) It is the illness suffered by this character considered a genius.

81. In what year was the current Spanish Constitution approved?

The Spanish Magna Carta was approved in 1978.

82. What is Teide?

Teide is a volcano located in Tenerife, in the Canary Islands of Spain.

83. Who is the secretary general of the United Nations (UN)?

The new Secretary General of the UN is António Guterres, who replaced Ban Ki Moon.

84. What does “hoist” mean?

It is the procedure of raising the flag.

85. What is the color that represents hope in the West?

The color that represents hope is the green. You can read more about this topic here: “Color psychology: meaning and curiosities about colors”.

86. What is the name of the science that studies maps?

It is the science that studies maps is cartography.

87. What is the coldest place on earth?

The coldest place on the planet, which is covered with a layer of ice between two thousand and three thousand meters, is Antarctica.

88. Where did Cervantes write most of Don Quixote?

Most of his masterpiece It was written from prison.

89. Who discovered penicillin?

Alexander Fleming was the one who discovered penicillin.

90. What types of neurons exist?

There are different types of neurons. You can learn about them all in this article: “Types of neurons: characteristics and functions.”

91. What was Pol Pot’s real name?

Saloth Sar.

92. How many fingers do cats have?

They have 18: 5 on each front leg and 4 on each hind leg.

93. What colors does the Jamaican flag contain?

Green, yellow and black.

94. What colors does the flag of Vietnam contain?

Red and yellow.

95. What is the busiest airport in the world?

It used to be Atlanta, but since 2021 this honor belongs to Guangzhou, China.

96. What is the country with the most islands in the world?

Sweden is the country with the largest number of islands in the world, with more than 267,000 islands, although only about a thousand are inhabited.

97. What is the name of the natural satellite of Mars?

Mars has two natural satellites, called Phobos and Deimos.

98. What is bioluminescence?

Bioluminescence is the ability of some living things, such as certain fish and fungi, to emit light through chemical reactions in their bodies.

99. What is the largest organ in the human body?

The largest organ in the human body is the skin.

100. Who painted the “Guernica” mural?

Pablo Picasso was the author of “Guernica”, a work that denounces the horrors of war.

101. What is the smallest mammal in the world?

Kitti’s hog-nosed bat, also known as the bee bat, is the world’s smallest mammal, weighing about 2 grams.

102. When did the Chernobyl disaster occur?

The Chernobyl disaster occurred on April 26, 1986, at the Chernobyl nuclear plant in Ukraine.

103. What does the word “nihilism” mean?

Nihilism is a philosophical current that denies or rejects the existence of inherent values ​​or meanings in life.

104. What is the oldest animal in the world?

The Icelandic clam (Arctica islandica) can live more than 500 years, making it one of the longest-lived animals known.

105. Who is the father of psychoanalysis?

Sigmund Freud is considered the father of psychoanalysis, a theory and treatment method for mental disorders.

106. What is DNA?

DNA (deoxyribonucleic acid) is the molecule that contains the genetic information of living beings.

107. What animal is considered sacred in India?

The cow is considered a sacred animal in the Hindu religion.

108. Which planet has the fastest winds in the solar system?

Neptune is the planet with the fastest winds in the solar system, which can reach speeds of up to 2,100 km/h.

109. Which country has the most World Heritage Sites according to UNESCO?

Italy is the country with the largest number of World Heritage Sites recognized by UNESCO.

110. How many muscles does the human body have?

The human body has about 650 muscles.