GK Questions on Earth | GK Questions about Earth with answers | Earth related questions and answers
What is the approximate diameter of the Earth?
a) 12,742 kilometers
b) 15,000 kilometers
c) 10,000 kilometers
d) 8,000 kilometers
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Answer: a) 12,742 kilometers
Which layer of the Earth's atmosphere contains the ozone layer?
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere
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Answer: b) Stratosphere
Which is the largest ocean on Earth?
a) Atlantic Ocean
b) Indian Ocean
c) Pacific Ocean
d) Arctic Ocean
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Answer: c) Pacific Ocean
What percentage of the Earth's surface is covered by water?
a) 70%
b) 50%
c) 30%
d) 90%
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Answer: a) 70%
What is the outermost layer of the Earth called?
a) Mantle
b) Crust
c) Core
d) Lithosphere
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Answer: b) Crust
What is the Earth's primary source of energy?
a) Sun
b) Moon
c) Stars
d) Volcanoes
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Answer: a) Sun
What is the Earth's closest celestial neighbor?
a) Mars
b) Venus
c) Moon
d) Jupiter
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Answer: c) Moon
Which of the following is a greenhouse gas that contributes to global warming?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Argon
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Answer: c) Carbon dioxide
What is the process by which plants convert sunlight into chemical energy?
a) Photosynthesis
b) Respiration
c) Transpiration
d) Germination
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Answer: a) Photosynthesis
What is the Earth's largest continent by land area?
a) Africa
b) Europe
c) Asia
d) South America
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Answer: c) Asia
Which is the highest mountain on Earth?
a) Mount Everest
b) K2
c) Mount Kilimanjaro
d) Mount Fuji
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Answer: a) Mount Everest
What is the name of the longest river on Earth?
a) Amazon River
b) Nile River
c) Mississippi River
d) Yangtze River
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Answer: b) Nile River
What is the process of the Earth's plates moving and interacting with each other called?
a) Erosion
b) Weathering
c) Plate tectonics
d) Earthquake
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Answer: c) Plate tectonics
Which gas makes up the majority of the Earth's atmosphere?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Argon
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Answer: b) Nitrogen
What is the imaginary line that divides the Earth into the Northern Hemisphere and the Southern Hemisphere called?
a) Tropic of Cancer
b) Equator
c) Tropic of Capricorn
d) Prime Meridian
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Answer: b) Equator
What is the term for the process of converting a gas into a liquid?
a) Condensation
b) Evaporation
c) Sublimation
d) Melting
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Answer: a) Condensation
Which layer of the Earth's atmosphere is responsible for protecting life on Earth from harmful ultraviolet radiation?
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere
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Answer: b) Stratosphere
What is the study of the Earth's physical structure and substance called?
a) Geology
b) Meteorology
c) Ecology
d) Astronomy
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Answer: a) Geology
Which phenomenon is responsible for the changing of the Earth's seasons?
a) Rotation
b) Revolution
c) Precession
d) Inclination
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Answer: b) Revolution
Which natural satellite orbits the Earth?
a) Mars
b) Venus
c) Moon
d) Jupiter
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Answer: c) Moon
What is the process of rocks breaking down into smaller pieces called?
a) Erosion
b) Weathering
c) Deposition
d) Sedimentation
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Answer: b) Weathering
What is the densest layer of the Earth?
a) Mantle
b) Crust
c) Core
d) Lithosphere
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Answer: c) Core
Which type of rock is formed from cooled lava or magma?
a) Sedimentary rock
b) Metamorphic rock
c) Igneous rock
d) Fossil rock
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Answer: c) Igneous rock
What is the process of water changing from a liquid to a gas called?
a) Condensation
b) Evaporation
c) Sublimation
d) Melting
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Answer: b) Evaporation
What is the study of the Earth's weather and climate called?
a) Geology
b) Meteorology
c) Ecology
d) Astronomy
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Answer: b) Meteorology
Which layer of the Earth's atmosphere is characterized by the Northern Lights (Aurora Borealis)?
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere
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Answer: d) Thermosphere
What is the term for a sudden shaking of the Earth's surface caused by the movement of tectonic plates?
a) Erosion
b) Weathering
c) Plate tectonics
d) Earthquake
Answer: d) Earthquake
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Answer: c) Pacific Ocean
Which type of rock is formed by the compaction and cementation of sediments?
a) Sedimentary rock
b) Metamorphic rock
c) Igneous rock
d) Fossil rock
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Answer: a) Sedimentary rock
What is the layer of the Earth's atmosphere where weather occurs?
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere
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Answer: a) Troposphere
What is the term for the transfer of heat through direct contact between objects?
a) Conduction
b) Convection
c) Radiation
d) Insulation
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Answer: a) Conduction
What is the largest desert on Earth?
a) Sahara Desert
b) Gobi Desert
c) Kalahari Desert
d) Atacama Desert
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Answer: a) Sahara Desert
Which continent is known as the "roof of the world" due to its high elevation?
a) Africa
b) Europe
c) Asia
d) South America
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Answer: c) Asia
What is the process by which water vapor changes into water droplets and forms clouds?
a) Condensation
b) Evaporation
c) Sublimation
d) Melting
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Answer: a) Condensation
Which is the deepest known point in the Earth's oceans?
a) Mariana Trench
b) Puerto Rico Trench
c) Java Trench
d) Philippine Trench
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Answer: a) Mariana Trench
What is the term for the circular movement of water in the oceans caused by wind and temperature differences?
a) Erosion
b) Weathering
c) Current
d) Tidal wave
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Answer: c) Current
Which is the largest tropical rainforest in the world?
a) Amazon Rainforest
b) Congo Rainforest
c) Daintree Rainforest
d) Borneo Rainforest
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Answer: a) Amazon Rainforest
What is the study of Earth's past life based on fossils called?
a) Paleontology
b) Anthropology
c) Archaeology
d) Geology
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Answer: a) Paleontology
Which gas is most abundant in the Earth's atmosphere?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Argon
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Answer: b) Nitrogen
What is the name of the underwater mountain range that runs through the Atlantic Ocean?
a) Andes Mountains
b) Himalayas
c) Mid-Atlantic Ridge
d) Alps
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Answer: c) Mid-Atlantic Ridge
What is the layer of the Earth's atmosphere where most weather phenomena occur?
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere
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Answer: a) Troposphere
Which natural process contributes to the formation of soil?
a) Erosion
b) Weathering
c) Deposition
d) Sedimentation
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Answer: b) Weathering
What is the name of the supercontinent that existed millions of years ago and eventually broke apart?
a) Pangea
b) Gondwana
c) Laurasia
d) Rodinia
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Answer: a) Pangea
Which is the largest desert outside of the polar regions?
a) Sahara Desert
b) Gobi Desert
c) Kalahari Desert
d) Arabian Desert
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Answer: b) Gobi Desert
What is the term for the wearing away of the Earth's surface by wind, water, or ice?
a) Erosion
b) Weathering
c) Deposition
d) Sedimentation
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Answer: a) Erosion
Which gas is essential for supporting life on Earth?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
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Answer: a) Oxygen
What is the study of the Earth's ecosystems and the interactions between organisms and their environment called?
a) Geology
b) Meteorology
c) Ecology
d) Astronomy
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Answer: c) Ecology
Which natural phenomenon is responsible for shaping the Earth's surface through the movement of ice?
a) Erosion
b) Weathering
c) Glaciation
d) Volcanism
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Answer: c) Glaciation
What is the term for the process of water vapor changing directly into ice without becoming a liquid?
a) Condensation
b) Evaporation
c) Sublimation
d) Melting
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Answer: c) Sublimation
Which layer of the Earth's atmosphere is characterized by the presence of the ozone layer?
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere
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Answer: b) Stratosphere
What is the process of soil and rock particles being carried away by wind, water, or ice called?
a) Erosion
b) Weathering
c) Deposition
d) Sedimentation
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Answer: a) Erosion
That concludes GK questions on Earth! I hope you enjoyed testing your GK knowledge about Earth and learned something new along the way.
