90 questions and answers to broaden your knowledge

A selection of questions about science, history, art and many other fields of knowledge.

Knowledge is often understood as the facts or information information that we acquire throughout our lives.. Undoubtedly, school is one of the places where we gain the most knowledge; however, our own experience or the hours we spend watching television (e.g. 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 broaden your culture

If you are one of those curious people who like to learn new things all the time, below you can find a list of questions and answers to broaden your knowledge in topics such as science, art, history, etc.

• You may also be interested in: "110 general culture questions and their answers".

1. What do koalas feed on?

Koalas are herbivorous animals that have a not very varied diet. They feed on eucalyptus leaves.

2. What is the difference between iron and steel?

Mainly, iron is an element while steel is an alloy or combination of iron and carbon, although it can 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 research indicates that it was recent research indicates that it was John Roget.

4. What was Walt Disney's first movie?

Snow White and the Seven Dwarfs is Disney's first feature film. It was released in 1937.

5. How many satellites do we have orbiting around 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 about 25,000 times per week.

7. Most populated city in the world?

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

8. How many bones in the human body?

The number of bones in an adult human being is 206. Neonates have about 300 bones..

9. On what continent is the Republic of Kazakhstan?

The Republic of Kazakhstan is a transcontinental country, with the major part 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 longest river in the world is the Nile, which is located in East Africa.

What is the longest river in Spain?

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

13. What are the five types of primary tastes?

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

14. Who wrote The Odyssey?

Homer was the author of this poem of 24 cantos.

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

The best-selling musical album 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, as well as the chairman 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 capital of Mongolia called?

The capital of this Asian country is called Ulan Bator.

23. What product is Guatemala known for growing?

The most cultivated product in Guatemala is coffee.

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

The British queen's name is Elizabeth II.

25. In what year did World War II begin?

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

26. What is ozone?

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

27.Why does iron oxidize?

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 one substance loses electrons (it oxidizes), and another gains.

28. What sport did Carl Lewis practice?

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 the fifth place in terms of distance from the sun is Jupiter.

30. What 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 is the function of yawning?

32. What is the capital of Kosovo?

The capital of this Balkan country is 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 is neither gold nor platinum, it is rhodium..

35.What is the capital of Sweden?

The capital of Sweden is Stockholm.

36.What types of apprenticeships are there?

There are several types of learning, you can check them out 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 universities in the world and is located in the United States.

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

A cell is larger than an atom.

39. When did World War I begin?

The year of the beginning of World War I is 1914.

40. What is an oviparous?

Animals that hatch from an egg are considered oviparous.

41. What branch of biology studies animals?

The branch of biology that studies animals is zoology.

42. What was parchment made of?

The material from which 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 is the cheetah. is the cheetah.

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

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

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

The cathedral of Notre Dame is of Gothic style.

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

The first European discoverer of Peru was Francisco Pizarro.

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

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

48. To which country do the Cariocas belong?

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 huge country.

51. How many co-official languages are there 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 lake in the world at 1,680 m deep. with a depth of 1,680 m.

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

MIR is the name of the Russian space station.

54. What was the first metal used by man?

Copper is the first metal 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 on the right? Why?

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

57. Who was the first human to set foot on the moon?

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

58. What language does Spanish come from?

Latin is the language from which Spanish originated, as well as most of the languages spoken in Spain today: Galician, Catalan and Occitan.

59. Who pronounced the phrase "I only know that I know nothing"?

Although it was first recorded by Plato, the phrase was pronounced 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 site of this Catholic basilica designed by Antonio Gaudí.

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

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

64. To which group of islands do Haiti and Puerto Rico belong?

Both islands belong to the Greater Antilles.

65. Which 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 flight?

The only mammal that flies is the bat.

67. How many teeth does an adult person have?

The number of teeth 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 oneswhich can be divided into monounsaturated and polyunsaturated fats.

69. Which is the sacred book of the Muslim religion?

The Koran is the sacred book of Islam.

70. What is a newspaper library?

A 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 Concorde?

The Concorde was a supersonic airplane that transported travelers.

73. What is Pablo Neruda's country of birth?

Pablo Neruda was born in Chile, specifically in Parral.

74. What is the Gauss Bell used for?

It is used in the calculation of probabilities.

75. According to the biblical writings, who betrayed Jesus?

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

76. Of what 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) is the disease suffered by this genius.

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

The Spanish Magna Carta was approved in 1978.

82. What is Mount 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 UN Secretary General is António Guterres, who replaced Ban Ki Moon.

84. What does "hoisting" mean?

It is the procedure of raising the flag.

85. What color represents hope in the West?

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

86. What is the science that studies maps called?

The science that studies maps is cartography.

87. Which 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. In what place did Cervantes write most of Don Quixote?

Most of his masterpiece 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 know them all in this article: "Types of neurons: characteristics and functions".