Science one word questions with answers

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ASTRONOMY AND SPACE QUIZ – Science Quiz Questions and Answers Part 1

What makes a planet a “dwarf” planet? How many miles are in a light-year? What exactly is a quasar? Launch into other worlds while testing your knowledge about space, celestial bodies, and the solar system.

1. What two motions do all planets have?
Answer: Orbit and spin.
All planets have two types of motion, known as orbit and spin. Planets in our solar system all orbit the Sun.

2. When did the Space Age begin?
Answer: 1957.
The space age began on October 4, 1957, when the Soviet Union launched Sputnik 1, the first man-made Earth satellite.

3. What is the visible part of the Sun called?
Answer: The Photosphere.
The outer region of the Sun that is normally visible from the Earth is called the photosphere, which means “sphere of light.”

4. What makes a planet a dwarf planet?
Answer: Size and shape.
In 2006, Pluto, Eris, and Ceres were classified as dwarf planets. Makemake and Haumea were added in 2008.

5. What term describes the alignment of three celestial bodies?
Answer: Syzygy.
When three celestial bodies appear to be in a straight line, as sometimes happens, this is called a syzygy.

6. Which of these objects is the farthest from the Sun?
A. Saturn B. Neptune C. Kuiper belt D. 90377 Sedna
Answer: D
90377 Sedna lies more than 11 billion kilometers away from our planet, three times farther away from Earth than Neptune.

7. Approximately how many miles are there in a light year?
Answer: 5.9 trillion.
A light-year is the distance light travels in a year—–about 5.9 trillion miles, or 9.5 trillion kilometers.

8. Which is the name of a radio source that is very far from Earth?
Answer: Quasar.
A quasar is a radio source that comes to Earth from somewhere in space. The name means “quasi-stellar radio source.”

9. The day on which the Sun’s direct rays cross the celestial equator is called:
Answer: The equinox.
On the equinox, the day on which the Sun’s path crosses the celestial equator, night and day are of equal length.

10. Who invented the telescope?
Answer: Hans Lippershey.
Hans Lippershey (c. 1570-c. 1619) was a spectacle maker in the Netherlands, who is credited with the invention of the telescope.

General SCIENCE – Science Quiz Questions and Answers Part 2

Put your science smarts under the microscope and see how much you know about bloodstones, biomes, buoyancy, and more!

11. For what is the Jurassic period named?
Answer: A mountain range.
The Jurassic period, of Jurassic Park fame, is named for the Jura Mountains, where many fossils have been found.

12. Who invented the World Wide Web?
Answer: A laboratory in Switzerland.
In the early 1990s, a group of computer scientists at CERN in Switzerland devised a way to send digital information over the Internet so that it could be accessed on a graphic user interface.

13. Which of the following technological developments came first?
A. telegraph B. telescope C. teletype D. telephone
Answer: B.
The first telescope is thought to have been built in the Netherlands in the early 1600s, but Italian mathematician Galileo Galilei almost immediately popularized use of the “far seeing” device for scientific purposes.

14. Who invented the geodesic dome?
Answer: R. Buckminster Fuller.
R. Buckminster Fuller, an American architect and designer, invented the geodesic dome in the 1940s. Many thousands of domes have been built according to his plans.

15. What airplane has not been flown commercially since 2003?
Answer: Concorde.
The first commercial jet to travel faster than the speed of sound was the Concorde. Developed by Great Britain and France, it flew from 1976 until 2003.

16. Moths are a member of what order?
Answer: Lepidoptera.
Moths are of the same order as butterflies, the lepidoptera. The name means “with scaly wings.”

17. When was the first plastic made of artificial materials patented?
Answer: 1909.
In 1909 a chemist named Leo H. Baekeland developed the first plastic made completely from synthetic (man-made) materials. Baekeland named the new material Bakelite.

18. A baby blue whale drinks this many liters of milk per day:
Answer: 190.
A baby blue whale drinks approximately 190 liters of milk each day. By contrast, a baby tiger drinks only about a liter of milk per day.

FACES OF SCIENCE – Science Quiz Questions and Answers Part 3

Galileo Galilei. Anders Celsius. You may recognize their names, but do you know who they really are? Gather your data and test your knowledge of famous scientists in this quiz.

19. For whom is the centigrade system of temperature measurement named?
Answer: Anders Celsius.
Anders Celsius, a Swedish scientist, conceived of the centigrade (also called Celsius) scale of measurement in 1742.

20. Which scientist was born the year Galileo died?
Answer: Isaac Newton.
In the year Galileo died, 1642, there was born in England one of the greatest scientists of all time, Isaac Newton.

21. For whom is the Fahrenheit system of temperature measurement named?
Answer: Daniel Fahrenheit.
Daniel Fahrenheit, a German physicist, proposed the Fahrenheit scale in 1724. By that scale, water freezes at 32º.

22. Who is considered the “father” of the scientific method?
Answer: Galileo.
Galileo is considered the father of the experimental, or scientific, method because he devised critical experiments that forced conviction even though the results contradicted earlier authorities.

23. In which field did Marie Curie and her daughter Irene-Joliot Curie both win the Nobel Prize?
Answer: Chemistry.
Marie Curie, also known as Madame Curie, and her daughter both won Nobel Prizes in chemistry.

24. Who developed the theory of evolution?
Answer: Charles Darwin.
Charles Darwin (1809–1882) developed the theory of evolution after studying animals and plants around the world.

25. Who invented the safety elevator?
Answer: Elisha Otis.
The safety elevator, which will not crash even if its cable breaks, was invented by the American Elisha Graves Otis in the 1850s.

26. Which scientist is well known for his work with falling bodies?
Answer: Galileo.
Galileo discovered the natural laws that govern falling bodies and the swinging of the pendulum.

27. Who said, “God does not play dice with the universe”?
Answer: Albert Einstein.
Albert Einstein, the eminent physicist, said, “God does not play dice with the universe.” He explained that everything in the universe existed for a reason, and not by mere accident.

EVERYTHING EARTH – Science Quiz Questions and Answers Part 4

If earth is mankind’s first frontier, how will you score on this final exam? Dig into these questions and see what answers you uncover.

28. Earth revolves this many meters per second at the equator:
Answer: 467.
Earth revolves 1,532 feet per second (467 meters per second) at the equator.

29. What is the reflectivity of Earth’s surface called?
Answer: Albedo effect.
The albedo effect refers to the reflectivity of Earth’s surface. About 30 percent of shortwave radiation is bounced back into space by clouds, dust, snow, and ice.

30. How old is sunlight by the time it reaches Earth?
Answer: 8 minutes.
It takes 8 minutes for sunlight to travel from the Sun to Earth.

31. What is the average surface temperature of Earth?
Answer: 14 ºC.
The average surface temperature on Earth is 57 ºF (14 ºC). It would be well below freezing were it not for greenhouse gases that trap warm air in the atmosphere.

32. What is diatomaceous earth made of?
Answer: Fossilized skeletons.
Diatomaceous earth is made from the fossilized remains of tiny marine organisms, particularly diatoms. It is used as a natural insecticide.

33. What is Earth’s predominant environment?
Answer: Deep ocean.
Most of the world is covered by water, and most of that water is about 13,123 feet deep. Deep ocean is therefore the world’s most common environment.

34. Who was the first person to orbit Earth?
Answer: Yuri Gagarin.
On April 12, 1961, Yuri Gagarin became the first human to circle Earth in space. John Glenn followed on February 20, 1962.

35. How much of the Earth is covered with oceans?
Answer: 71 percent.
About 71 percent, or nearly three-quarters, of our planet’s surface is covered with oceans.

SPACE ODYSSEY – Science Quiz Questions and Answers Part 5

“Far out”. “Spacely”. “Out-of-this-world”. You may have heard the slang, but how much do you really know about space…cadet? Launch into this quiz and begin your journey of planets and the universe.

36. How much of the universe is in a plasma state (in percentage)?
Answer: 99.
About 99 percent of the known matter in the universe is in the plasma state. Some scientists consider plasma to be a fourth state of matter.

37. How many comets are there in the solar system?
Answer: 1 trillion.
Scientists estimate that there are one trillion comets in the solar system. Almost all of them remain within the orbit of Neptune and do not travel beyond it.

38. What planet is closest to Saturn?
Answer: Jupiter.
The planet Jupiter is Saturn’s nearest neighbor and the closest to it in size and composition. Jupiter is the largest planet in the solar system.

39. What is the most volcanically active body in our solar system?
Answer: A moon.
Jupiter’s moon Io, the fourth largest moon in the solar system, has over 400 active volcanos, making it the most active body in the solar system.

40. What is the name for a space without air, gas, or other matter?
Answer: Vacuum.
A vacuum is a space that is completely empty. It contains no air, gas, or other substance.

41. On what planet is the Great Red Spot?
Answer: Jupiter.
A feature of the planet Jupiter, the Great Red Spot is a huge high-pressure storm like a hurricane. Three Earths would fit inside it.

42. What do scientists use to search for life in distant space?
Answer: Giant antennae.
Many scientists assume the best way to detect an advanced civilization is to listen for stray radio signals. The SETI project is one effort to detect signals from space.

STARS: EXPLOSIONS IN SPACE – Science Quiz Questions and Answers Part 6

What’s your horoscope? Have you ever seen a shooting star? From Orion and The Big Dipper to Star Wars and the Hollywood Walk of Fame, test your knowledge of stars in this quiz.

43. What star is nearest to Earth?
Answer: The Sun.
The Sun is closest to Earth—at nearly 93 million miles (150 million kilometers) away!

44. What is the closest star to our Sun?
Answer: Proxima Centauri.
Proxima Centauri is a star that lies 4.2 light-years from the Sun—that is, the distance light travels in 4.2 years, which is very far away.

45. What is the name for a “pulsating star”?
Answer: Pulsar.
A pulsar is a pulsating star that emits radio waves, X-rays, and gamma rays. Pulsars are created by neutron stars.

46. How many stars are used in celestial navigation?
Answer: 57.
A total of 57 stars figure in celestial navigation. Most are very bright, making them easy to locate in the night sky.

WATER AND ITS VARYING FORMS Science Quiz Parts 7

Even though water exists in three states, there is only one correct answer to the questions in this quiz. Dive in and test your knowledge of water…and see whether you sink or swim.

47. What ocean receives the most fresh water from rivers?
Answer: Atlantic.
The Atlantic Ocean receives the waters of several of the world’s largest rivers: the Nile, Amazon, Congo, Mississippi, Niger, Danube, and Orinoco, plus much of the flow from Arctic glaciers.

48. How much of the Earth’s surface is covered with water?
Answer: Three-quarters.
Three-fourths of the Earth’s surface is covered with water.

49. What is a tropical cyclone called in the Atlantic Ocean?
Answer: Hurricane.
Atlantic tropical cyclonic storms are called hurricanes. The word comes from a Carib Indian phrase meaning “big wind.”

50. What is the most common element in water?
Answer: Hydrogen.
Each molecule of water is made up of two hydrogen atoms and one oxygen atom.

51. What is the largest floating object in the ocean?
Answer: Iceberg.
Icebergs are made of frozen freshwater, not salt water, so they float. They can drift thousands of miles. The largest can be a kilometer or more across and a hundred meters tall, mostly underwater.

52. From what, besides hydrogen, is water made?
Answer: Oxygen.
A molecule of water, also known as H2O, is made up of two hydrogen atoms and one oxygen atom.

53. How many calories does a glass of water contain?
Answer: 0.
Water contains no calories. This is why dieters are advised to drink plenty of water instead of fluids that contain sugar—which do have calories.

INVENTORS AND INVENTIONS in Science – Science Quiz Questions and Answers Part 8

Our earliest human ancestors invented the wheel, but who invented the ball bearing that reduces rotational friction? Let the wheels in your head turn while testing your knowledge of inventors and their inventions in this quiz.

54. In what year was the ball bearing patented?
Answer: 1794.
The ball bearing was patented in Wales in 1794. It allowed a wagon wheel to turn smoothly on a wooden axle.

55. In which decade did television become widely available around the world?
Answer: 1950s.
Though invented a couple of decades earlier, television became widely available only in the 1950s in the United States and elsewhere in the industrial world.

56. Who invented the diesel engine?
Answer: Rudolf Diesel.
Rudolf Diesel, a German inventor, developed the engine named for him in the early 1900s.

57. Which vehicle was invented about 3000 BCE?
Answer: The chariot.
The first chariot was invented about 3000 BCE.

58. Who discovered the X-ray?
Answer: Wilhelm Roentgen.
Recipient of the first Nobel prize for physics in 1901, German physicist Wilhelm Roentgen was the discoverer of X-rays.

59. When were the first rockets launched?
13th century.
The Chinese made rockets by filling bamboo tubes with gunpowder, probably in the 13th century. When they lit the gunpowder, the gas from the explosion sent the rocket into the air.

60. Which group invented and developed the early Internet?
Answer: The U.S. government.
The U.S. government developed the Internet in the 1970s and 1980s. It allowed people in distant places to communicate through computers.

MAN-MADE BIRDS IN THE SKY – Science Quiz Questions and Answers Part 9

From zeppelins to jet-powered propellers, launch into this quiz and test your knowledge of aircraft and aviation.

61. What is the name for a jet-powered propeller engine?
Answer: Turboprop.
One type of jet engine, the turboprop, is used to turn a propeller.

62. For what field of endeavor are the Wright Brothers known?
Answer: Aviation.
In 1903 the Wright brothers of Ohio mounted a gasoline engine and a propeller on a specially adapted glider and produced the first successful airplane.

63. Pilots give what name to Universal Time Coordinated (UTC)?
Answer: Zulu time.
Pilots use the letter Z, coded as Zulu, to indicate Universal Time Coordinated (UTC). This assures that pilots all around the world are not confused by time-zone changes.

64. What is the name for the aircraft body?
Answer: Fuselage.
The fuselage is the body of the aircraft. It consists of a rigid frame and a covering of aluminum, magnesium, or molded plastic or fiberglass.

PHYSICS AND NATURAL LAW – Science Quiz Questions and Answers Part 10

What force slows motion? For every action there is an equal and opposite what? There’s nothing E = mc square about taking this physics quiz.

65. Which branch of physics is particularly useful in designing bridges?
Answer: Statics.
Statics is the study of matter at rest. Statics deals with the balancing of forces with appropriate resistances to keep matter at rest. The design of buildings and of bridges are examples of problems in statics.

66. With what phenomenon is the physicist Benjamin Thompson associated?
Answer: Heat.
Benjamin Thompson reasoned that motion is transformed into heat (as when a bullet strikes through a piece of wood) and that heat is not an element or a substance.

67. Who developed the laws of motion?
Answer: Isaac Newton.
Sir Isaac Newton (1642–1727) developed the laws of motion, describing the movements of objects in space.

68. In physics, for every action there is an equal and opposite what?
Answer: Reaction.
Newton’s third law of motion holds that for every action, there is an equal and opposite reaction.

69. What kind of energy is contained in a rock on a cliff?
Answer: Potential.
Potential energy is stored in a rock on a cliff and in a stretched bowstring. If the cliff crumbles, the rock falls. If the string is let go, it pushes the arrow through the air.

70. In what year was the second theory of relativity published?
Answer: 1916.
In 1916 Albert Einstein published his second (or general) theory of relativity.

71. What theory is Albert Einstein known for?
Answer: Relativity.
Einstein’s theory of relativity shows that measurements of space and time are relative—that is, they change when taken by observers who are moving at different speeds.

72. Who received the 1951 Nobel prize in physics?
Answer: Ernest Walton.
Ernest Walton received the 1951 Nobel prize in physics for the development of the first nuclear-particle accelerator.

FUN FACTS OF MEASUREMENT & MATH GK – Science Quiz Questions and Answers Part 11

What does a barometer measure? During which year do humans grow the fastest? Gather your wits and measure your knowledge by taking this quiz.

73. What unit measures food energy?
Answer: Calorie.
A calorie is a measure of the amount of energy a food can produce. The body changes the calories in food to energy.

74. In basic pasteurization, at what temperature is milk heated (in centigrade)?
Answer: 63.
Milk is heated to 145.4 degrees Fahrenheit (63 degrees centigrade) for 30 minutes to produce basic pasteurization. This kills many bacteria.

75. In kilometers per second, what is the escape velocity needed for a rocket to leave Earth?
Answer: 11.2
No matter what its size, a spacecraft or rocket has to go 6.96 miles per second (11.2 kilometers per second) or faster to leave Earth. This is called “escape velocity.”

76. What is the ratio of sand to water for the best sandcastle?
Answer: 8:1
According to a scientific study published in Europe in 2005, the sturdiest sandcastle is 8 parts sand to 1 part water.

77. When do humans grow fastest?
Answer: 1 year old.
During the first year of life, healthy babies triple their weight. Babies have to eat a great deal to keep up this fast growth!

78. How many kilometers is a nautical mile?
Answer: 1.8
A nautical mile is one minute of arc on Earth. It corresponds to slightly more than 1.1 miles (1.8 kilometers).

79. How many kilometers is Uranus from the Sun?
Answer: 2,900,000,000.
Uranus is approximately 2,870,972,200 kilometers (1,783,940,000 miles) from the Sun. It lies on the far edges of the solar system.

80. How far is Betelgeuse from Earth?
Answer: 520 light-years.
Orion’s second brightest star, and the eleventh brightest star in the sky, is Betelgeuse. A red supergiant, it is about 520 light-years away from Earth.

81. What does a barometer measure?
Answer: Air pressure.
A barometer measures air pressure. This allows scientists to predict changes in weather.

PLANETS AND THE EARTH’S MOON – Science Quiz Questions and Answers Part 12

What’s the relationship between distant planets and supposed extraterrestrial life? What is our solar system’s hottest planet? Strap on your thinking caps–and seat belts–and test your astronomy knowledge in this quiz.

82. Why is the Moon not considered a planet?
Answer: It orbits Earth.
A moon is any natural satellite orbiting another body.

83. What is the hottest planet?
Answer: Venus.
Venus is farther from the Sun than is Mercury, but it has greenhouse gases that keep it at 878 ºF (470 ºC)—hotter than glowing coals!

84. Why are exoplanets thought to be the most likely host for extraterrestrial life?
Answer: They may be like Earth.
Logically, scientists are looking for life in places that might be like Earth. Life on these recently discovered and unexplored distant planets has not yet been ruled out.

85. What is thought to cause those spots on Uranus?
Answer: Storms.
The spots observed on Uranus are thought to be storms, but they are smaller and fewer than those seen on Jupiter, Saturn, and Neptune.

86. At 1,000 kilometers an hour, how long would it take to go from Venus to the Sun?
Answer: 12.3 years.
If a spacecraft were to move at 621 miles per hour (1,000 kilometers per hour), it would take 12.3 years to travel from Venus to the Sun.

87. How fast does the Moon revolves around Earth (in kilometers per second)?
Answer: 1.
The Moon revolves around Earth at 2,281.68 miles per hour (1.02 kilometers per second).

88. What is the sixth planet from the Sun?
Answer: Saturn.
Saturn is the sixth planet from the Sun. The average distance between the Sun and Saturn is about 0.87 billion miles (1.4 billion kilometers).

89. Which planet is named for an ancient messenger?
Answer: Mercury.
Mercury is named for the ancient Roman messenger of the gods. The smallest planet of the solar system also shares its name with a liquid metal.

90. What is the name for planets outside our solar system?
Answer: Exoplanets.
In the 1990s astronomers found the first evidence of planets outside our solar system. These planets are called extrasolar planets or exoplanets.

SHORT CIRCUITS & DIRECT CURRENTS – Science Quiz Questions and Answers Part 13

What’s the difference between an electrical conductor and an insulator? Who invented the battery? Feel your cells burn as you recharge your mental battery by answering the questions in this quiz.

91. What do we call a material that heat or electricity can move through?
Answer: Conductor.
A conductor is a material that heat or electricity can move through, such as copper.

92. Who invented the battery?
Answer: Alessandro Volta.
Alessandro Volta, for whom the volt is named, invented the first battery in 1800. It was called the Voltaic pile.

93. A lead acid battery stores what kind of electricity?
Answer: Direct current (DC).
Batteries produce direct current, which flows in one direction.

94. Who discovered the law of electrolysis?
Answer: Michael Faraday.
Michael Faraday discovered the laws of electrolysis by measuring how much material was transported by known amounts of electric current in an electrolytic cell.

95. Electricity that reaches our homes through cables is called:
Answer: Current electricity.
Electricity that flows through cables as a current flows through a river is called current electricity.

SOUND WAVES CALLING – Science Quiz Questions and Answers Part 14

What is pitch? What is the name for a speed greater than that of sound? Is the sound of a sonic boom too high for humans to hear? Find out the answers by plugging into this acoustics quiz.

96. What is another name for the voice box?
Answer: Larynx.
At the base of the throat is the larynx, or voice box. Inside the larynx are the vocal cords.

97. What is the name for a speed greater than that of sound?
Answer: Mach.
Speed that just exceeds the speed of sound is called Mach 1, and faster speeds are measured as multiples of this speed. Mach 2 is twice the speed of sound.

98. What kind of sound is too high for humans to hear?
Answer: Ultrasound.
Ultrasound is sound of a frequency so high that a human ear cannot hear it.

99. What is pitch?
Answer: The highness or lowness of a sound.
Pitch is the highness or lowness of a sound, measured by the frequency of its waves in hertz (cycles per second).

100. The relative loudness of a sound is measured by:
Answer: Decibel.
Decibels are units used to measure relative loudness.

Read: GK Online Test in English 2020

We live in an amazing world. From the diverse kinds of flora and fauna, to the endless landscapes and undiscovered natural gems around us, there’s always something new to learn. Even experts agree that what we’ve explored and learned about the world so far doesn’t even comprise half of what there is to discover.

Table of Contents

• 1 Easy Science Trivia
• 2 Hard Science Trivia
  • 2.1 Related Posts

Needless to say, it can be a whole lot of fun to continue learning about the world and the science that explains it all. So if you were hoping to expand your knowledge and discover something new about the world around you, then these interesting science trivia questions and answers can stretch your horizons and give you something new to think about.

Quzzing a bunch of elementary school kids? Make sure you’re ready with questions they can answer. These easy science trivia questions and answers are perfect for testing what they know and expanding their knowledge so they get to appreciate more about the world around us.

1. This essential gas is important so that we can breath.
2. What is the nearest planet to the sun?
3. How many teeth does an adult human have?
4. The earth has three layers of varying temperatures. What are its three layers?
5. What is the largest planet in the solar system?
6. What do bees collect and use to create honey?
7. What is the hottest planet in the solar system?
8. What is the rarest blood type?
9. On what part of your body would you find the pinna?
10. What part of the plant conducts photosyntehsis?
11. What’s the boiling point of water?
12. What is the largest known land animal?
13. What is the largest known animal?
14. What tissues connect the muscles to the bones?
15. Who was the scientist to propose the three laws of motion?
16. The plant Earth is surrounded by different layers of gas, which when taken together, we call the…?
17. Animals that eat both plants and meat are called what?
18. Which of Newton’s Laws state that ‘for every action, there is an equal and opposite reaction?’
19. Diabetes develops as the result of a problem with which specific organ in the body?
20. True or false: sound travels faster in air than in water.
21. How long does a human red blood cell survive?
22. True or false – lightning is hotter than the sun.
23. In what country can you find the Suez Canal?
24. This planet spins the fastest, completing one whole rotation in just 10 hours. Which planet is it?
25. How many elements are there in the periodic table?
26. This planet has a collective 53 moons, making it the planet in our solar system with the most number of moons.
27. Where can you find the smallest bone in the human body?
28. Scientists believe that the continents of the earth were all one large landmass 280 million years ago. The moving of tectonic plates caused this mass to break off into different pieces, making up the continents as we know them today. What was this landmass called?
29. This theory aims to explain how Pangea became separate continents, suggesting that the movement of tectonic plates caused the mass to break off and drift into different places.
30. How many hearts does an octopus have?
31. True or false: male seahorses give birth to their young, not the females.
32. The oldest living tree is 4,843 years old and can be found where?
33. Can you hear anything in outer space?
34. This man is responsible for reshaping the way early man believed the solar system worked. He proposed that the Earth was not the center of the universe, and that the sun was instead at the center of our solar system. Who was he?
35. From what tree do acorns come from?
36. What is the tallest type of grass?
37. Dolly was the first ever living creature to be cloned. What type of animal was she?
38. This animal was the first ever to be launched into space. She was strapped into the Soviet Sputnik 2 spacecraft which was sent out into outer space on November 3, 1957. What was her name?
39. What type of animal was Laika?
40. An egg’s shell is what percentage of its total weight?
41. What is the smallest country in the world?
42. Who is regarded as the man who invented the telephone?
43. What is considered the highest mountain in Africa?
44. In what year was Alaska sold to the United States of America?
45. How many bones do sharks have in total?
46. Discovered by Alexander Fleming, this is now used to treat infections and is considered one of the most important discoveries in the field of medical science. What is it?
47. This measurement – approximately six feet – is used to measure the depth of water. What is it?
48. What is a geiger counter used to measure?
49. What is the hardest known natural material?
50. True or false: your hair and your nails are made from the same material.

Hard Science Trivia

Looking for something more difficult to challenge your knowledge and perhaps teach you a little something new? There’s a ton to learn about the world, and these hard science trivia questions might challenge what you know and shift the way you see certain aspects of the world around you.

1. This part of the brain deals with hearing and language.
2. This is the phenomenon that explains why people will tend to refuse to offer help when there are other people present during an emergency.
3. When you open a bottle of wine and leave it exposed to the air, the ethanol in it reacts with oxygen. This reaction forms what?
4. What is it called when you make light change direction by passing it through a lens?
5. An unlit match has what form of energy?
6. This type of bond involves the sharing of electron pairs between different atoms. What do you call this bond?
7. What is the scientific term for peeling skin?
8. True or false: the Large Magellanic Cloud is farther from the Earth than Andromeda.
9. This Saturn moon has a methane cycle, differentiating it from the other moons of the planet. What is its name?
10. Animals that are active during dawn and dusk are called what type of animals?
11. What percentage of the total number of known animals are invertebrates?
12. True or false: chloroplasts can be found in animal cells.
13. ATP is the molecular unit of energy that gives our body fuel on a cellular level. What does ATP stand for?
14. Where is the world’s most active volcano located?
15. True or false: rainforests are considered temperate climate regions.
16. This type of material does not allow electricity to flow through them easily, unlike conductors which are used for their ability to rapidly allow electricity to pass through. What is this material called?
17. Optics is the study of what?
18. True or false: the graduated cylinder is a tool that’s used to measure fluid volume.
19. Using feet, how long does the human small intestine measure on average?
20. In 1953, the United States of America conducted its first and only nuclear artillery test. Where was the test held?
21. Most of a penny is made from what type of metal?
22. This jungle animal, when in groups, is referred to as an ambush. What kind of animal is this?
23. Space travelers from the United States are called astronauts. From Russia, they’re called cosmonauts. Where are taikonauts from?
24. This lunar phase happens when less than a full moon but more than a half moon is illuminated.
25. Joseph Henry was given credit for this invention in 1831 which was said to revolutionize the way that people communicate during the time. What was his invention?
26. The name of this disease stems from the medieval term that means ‘bad air’. What disease is it?
27. This animal’s fingerprints closely resemble that of a human’s. So much so in fact, that inspecting its fingerprint side by side with a human print might make it impossible to differentiate. What animal is it?
28. The Nobel Peace Prize is one of the most prestigious awards in the field of science. The man behind the award – Alfred Nobel – invented what?
29. Leo Gertstenzang is typically credited for the invention of q-tips – one of the most important modern day necessities for personal care. What year did he invent them?
30. A spider monkey’s tail can carry its weight and hold on to branches. This type of tail – which can hold on to objects and support the weight of the animal to which it belongs – are called what type of tail?
31. The joints of the body are designed so that they allow bones to interface and move. This specific type of joint however, is rigid and does not allow movement. What type of joint is this?
32. Bright’s Disease affects what part of the body?
33. Had pirates known about this vitamin, then they wouldn’t have suffered from scurvy. What vitamin is this
34. This medical term is used to refer to items ‘based on experience’.
35. This refers to the amount of blood cells in a certain amount of blood.
36. This is the unit of measure used to quantify radioactive element activity.
37. Why do bubbles pop shortly after their blown?
38. This is the only type of canine that can climb trees. What is it called?
39. Lagomorph, refers to what type of animal?
40. Which mountain peak extends the furthest from the center of the Earth?
41. Many of us believe that the average human has 5 senses, but that’s not actually true. What two other senses do we have that are often left unknown to most lay people?
42. What does the vestibular sense do?
43. What does the proprioceptive sense do?
44. What will two particles of opposing charges do – repel or attract?
45. When a substance goes from one state of matter to another, what is that process called?
46. This type of cell division results two four daughter cells, each one with half the number of chromosomes in the parent cells. What is it called?
47. This is the quality of an object that allows it to float on water.
48. What are the only two egg-laying mammals in existence in the world today?
49. What is it called when a solid matter transitions to a gas immediately without having to pass through the liquid state?
50. This relationship between muscles means that one muscle assists the movement of another.
51. This type of muscle relationship refers to two muscles that never move in the same direction. When one is flexed, the other will always be extended.
52. This ‘v’ word describes a fluid’s ability to resist flowing. What is it?
53. What is the bone diseases that literally translates to ‘porous bones’?
54. This term is commonly used today to refer to errors with computer systems. It was first coined when a moth was trapped in an early model of the personal computer, causing it to crash. What is this word?
55. This Greek physician was the first to keep records of his patients’ histories.
56. What two substances are the main components of bronze?

Susan majored in English with a double minor in Humanities and Business at Arizona State University and earned a Master’s degree in Educational Administration from Liberty University. She taught grades four through twelve in both public and private schools. Subjects included English, U.S. and world history and geography, math, earth and physical science, Bible, information technologies, and creative writing.

Susan has been freelance writing for over ten years, during which time she has written and edited books, newspaper articles, biographies, book reviews, guidelines, neighborhood descriptions for realtors, Power Point presentations, resumes, and numerous other projects.

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General Knowledge Solved MCQs of Biological question answers for exams tests. Here you can easily prepared chapter wise multiple choice question answers for MDCAT Preparation with online quiz test.

Biology objective questions and answers pdf

General science mcq questions with solved answers. PPSC and FPSC jobs tests Biological interviews Short question  type solved MCQs. In this online MCQs quiz test students can get better understanding of Biology Basics and advanced informative biology exams MCQs with solutions.

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Solved Biology Critical Thinking Questions And Answers

Q.1: Protein subunits of capsid is called the capsomeres is a characteristic of each virus. Their number in Herpes virus is——— ?

1. 100
2. 152
3. 162
4. 172

C

Q.2: Which of the following statement about AIDS is incorrect ?

1. is a host specific disease
2. An infected mother cannot pass the virus to her baby.
3. Results in enlargement of lymph nodes
4. Can be prevented.

B

Q.3: The agent of controversial nature causing mad cow infection is——- ?

1. Bacteria
2. Cowpox Virus
3. Adenovirus
4. Prion

D

Q.4: In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called——- ?

1. Lysis
2. Lysogeny
3. Induction
4. Adsorption

C

Q.5: Which of the following is an RNA virus ?

1. Influenza virus
2. Herpes virus
3. HBV
4. Pox virus

A

Q.6: Dipeptides into amino acids are are converted through———- ?

1. Amino peptidase
2. Erypsin
3. Pepsin
4. Trypsin

B

Q.7: Puccinia is a parasitic———- ?

1. Plant
2. Fungus
3. Animal
4. Algae

B

Q.8: Stunted growth of roots is due to the deficiency of————in plants ?

1. Potassium
2. Magnesium
3. Phosphorus
4. Iron.

C

Q.9: Earthworm is an example of —————feeder ?

1. Detritus
2. Fluid
3. Macrophageus
4. Filter

A

Q.10: Anus is surrounded by —— types of muscles ?

1. 2
2. 3
3. 1
4. 4

A

Q.11: Parasites capable of living independently of its host at times is called as ———— parasite ?

1. Obligate
2. Strict
3. Facultative
4. Endoparasite

C

Q.12: How many species of fungi are known till now ?

1. 10000
2. 100000
3. 10000000
4. 1000

B

Q.13: How many species of mushrooms are edible ?

1. 100
2. 200
3. 3000
4. 4000

B

Q.14: Those fungi which can grow only on their living host and cannot be grown on available defined growth culture medium e.g. various mildews and most rust species are called———- ?

1. Parasitic fungi
2. Obligate parasitic fungi
3. Facultative parasitic fungi
4. All of these

B

Q.15: Which one of the following is the largest group of fungi ?

1. Zygomycota
2. Ascomycota
3. Basidiomycota
4. Deuteromycota

B

Q.16: Unicellular fungi which is non-hyphal is——— ?

1. Mushroom
2. Yeast
3. Penicillium
4. Mold

B

Q.17: Type of lichen which tightly attaches to rocks is——— ?

1. Parmelia
2. Fruticose
3. Foliose
4. Crustose

D

Q.18: In slime molds spores develop into——— ?

1. Swarm cells
2. Biflagellated cells
3. Amoeboid reproductive cells
4. All of these

D

Q.19: Of the following which one is not the characteristic of dinoflagellates ?

1. Most of them are unicellular
2. They have blooms
3. Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium
4. None of these

C

Q.20: Based on molecular data euglenoids are thought to be closely related to——— ?

1. Dinoflagellates
2. Zooflagellates
3. Protozoans
4. Algae

B

General knowledge questions one word answer in English online trivia quiz GK printable is live now! This free general knowledge questions one word answer will entertain a reader with a variety of useful information and facts related to general knowledge that we usually need in every walk of life.

Solving general knowledge questions one word answer in English printable trivia will provide reader confidence as well as fun while learning. What you learn today will definitely boost your conscience tomorrow, since knowledge is power.

Let’s solve the general knowledge questions one word answer in English below and improve your level of understanding!

1. What is Garabogazköl?

Lagoon

2. How many countries in Africa have only four letters in their names?

Three

3. Which country has its UN code 328?

Guyana

4. Which process converts sugar to acids, alcohol, or gases?

Fermentation

5. What state has the letter Z in it?

Arizona

6. Henrik Carl Peter Dam and Edward Adelbert Doisy received the Nobel Prize in Physiology or Medicine in which year?

1943

7. What letter isn’t in any US state?

Q

8. What is Africa’s original name?

Alkebulan

9. How many victims died due to lack of sleep in Shakespeare’s plays?

One

10. Stratification of a body of water due to salinity differences is called what?

Halocline

11. What is the only country beginning with O?

Oman

12. Enchiladas originated in which country?

Mexico

13. To the nearest thousand, how many words are in the complete works of Shakespeare?

884,000

14. Where did the Duke and Duchess of Windsor visit in 1937, later causing controversy for the royal family?

Berlin

15. What European nation holds a Four Letter nation in its letters?

Eire

16. What letter do most US states begin with?

M

17. What is the capital of Hawaii?

Honolulu

18. In Dirty Dancing, what is Baby’s first name?

Frances

19. Johannes Vilhelm Jensen received the Nobel Prize in 1944 in which category?

Literature

20. Organism that thrives in high salt concentrations is called what?

Halophile

21. Which country end with a WAY?

Norway

22. What is a technical term for the legendary first people of any creation myth, including a list of first men and women in different traditions?

Protoplasts

23. In which Welsh town did a young Prince Charles learn Welsh?

Aberystwyth

24. The first woman to win an Olympic gold medal, Charlotte Cooper is from which country?

England

25. How many countries start and end with the same letter?

Six

26. SInce inception, how many times the Nobel Prizes have not been awarded as of 2021?

49

27. Which Disney Princess called Gus and Jaq friends?

Cinderella

28. What is the biggest state in America?

Alaska

29. In which country would you find the original Legoland?

Denmark

30. How many minutes long is the film Jaws?

124

31. How many states have 5 letters?

Three

32. Between 1901 and 2020, the Nobel Prizes and the Prize in Economic Sciences were awarded how many times?

603

33. What is the internet country domain TLD for Ghana?

.gh

34. Joseph Erlanger and Herbert Spencer Gasser received the Nobel Prize in Physiology or Medicine in which year?

1944

35. What percentage of the Earth’s surface is made up o the Atlantic Ocean?

20%

36. In which sport would you use a shuttlecock?

Badminton

37. How many American states start with new?

Four

38. Which country ends with a KEY?

Turkey

39. What kind of food is Penne?

Pasta

40. Otto Stern received the Nobel Prize in 1943 in which category?

Physics

41. In which state was former US President Barack Obama born?

Hawaii

42. How many teeth does an adult human have?

32

43. To the nearest day, how many days in total with Elizabeth’s uncle’s reign as Edward VIII before he abdicated?

326

44. Name a country that has all 5 vowels.

Mozambique

45. In Welsh mythology, who is a metalsmith considered to be, like the Irish Goibniu, a reflex of the Gallo-Roman deity Gobannus?

Gofannon

46. How high is Mount Everest in meters?

8,848

47. Which country ends with ANY?

Germany

48. What is a stringed musical instrument in traditional Japanese theater meaning “three-flavor line string”?

Shamisen

49. What year did Britain join the EEC, now knows as the European Union?

1973

50. What is an elegant brand, Hermes?

Jewelry

51. Which Friend has the middle name, Muriel?

Chandler

52. What is a nation on the Red Sea?

Eritrea

53. In which year, at St. Mary’s Hospital, London, Alexander Fleming discovered penicillin?

1928

54. Which country ends with a MEN?

Yemen

55. What is the Alpha 2 code for Ghana?

GH

56. Which character is often referred to with ‘Giantsbane’ in their name in the Game of Thrones?

Tormund

57. Which location has its internet country domain TLD .gi?

Gibraltar

58. What kind of Japanese brand 6%DokiDoki is?

Cloth

59. Gocta, Catarata falls is where in Peru?

Amazonas

60. What weird food in Ukrain is meaty jello with garlic and pieces of said meat inside?

Kholodets

61. How many countries start with an A?

Eleven

62. What color are the seats in the House of Commons?

Green

63. Slovakia’s capital is what?

Bratislava

64. According to statistics, what percent of Americans lose their wallets/purses?

20%

65. Which country has its Alpha 2 code GH?

Gibraltar

66. What is Breezy in Japan?

Dress

67. Famous novel Crash was written in which year?

1973

68. Which color is commonly associated with Marie Schrader throughout the show in Breaking Bad?

Purple

69. What is the UPC barcode for Pakistan?

896

70. How did Italian composer Giacomo Puccini die?

Cancer

71. Which country ends with a VIA?

Latvia

72. Beaver (Castor sp.) has its average gestation period of how many days?

122

73. What is a suburb of Kumasi in the Ashanti Region of Ghana?

Ashtown

74. In which year Arnold Schwarzenegger received the Doctor of Humane Letters for contribution?

1996

75. What is the Alpha 3 code for Grenada?

GRD

76. The science concerned with the origin, evolution, and structure of the earth is called what?

Geology

77. Who is the god of doors, time, duality, doorways, passages, frames, transition, and gates in Roman mythology?

Janus

78. Which famous novel Sinclair Lewis wrote in 1922?

Babbitt

79. In which year, Arnold Schwarzenegger won Nickelodeon Kids’ Choice Awards for “Terminator 2: Judgement Day”?

1992

80. Neutral litmus paper is what color?

Purple

81. Ashburys Railway Station is located in which city?

Manchester

82. Khaan Buuz is a brand in which country?

Mongolia

83. What is the capital of Bulgaria?

Sofia

84. How many episodes of Breaking Bad were aired?

62

85. Which country has its Alpha 3 code GP?

Guadeloupe

86. What is a Laffy Taffy?

Candy

87. What special character can be get from the shortcut keys Alt+0246?

ö

88. What is JAR Bolt of Lightning?

Perfume

89. Peugeot is originated in which country?

France

90. In which century did Rembrandt live?

17th

91. What is a time period when sacrifices were made to atone for sins?

Februalia

92. Ammonia gas turns red litmus paper what color?

Blue

93. What color shirt is Walt wearing in the iconic desert scene where he is pointing a gun wearing his white underwear, in Breaking Bad?

Green

94. What is the national flower in Portugal?

Lavender

95. What is the UN Code for Haiti?

332

96. A Croatian speaks in what language?

Croatian

97. What is the generic name for any chemical product that is used industrially and domestically to remove color from a fabric or fiber or to clean or to remove stains?

Bleach

98. Riboflavin was discovered in what year?

1920

99. Rush Lake is located in which county in Utah?

Tooele

100. What is the brand Red Vines loved by children?

Candy

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