Most Popular 50 GK questions on science | Science General Knowledge questions with answers | Science GK questions
a) O
b) C
c) Au
d) H
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Answer: a) O
What is the largest planet in our solar system?
a) Mars
b) Venus
c) Jupiter
d) Saturn
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Answer: c) Jupiter
Which scientist developed the theory of general relativity?
a) Isaac Newton
b) Albert Einstein
c) Galileo Galilei
d) Nikola Tesla
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Answer: b) Albert Einstein
What is the smallest unit of matter?
a) Atom
b) Molecule
c) Proton
d) Electron
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Answer: a) Atom
What is the boiling point of water in Celsius?
a) 100°C
b) 0°C
c) -100°C
d) 50°C
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Answer: a) 100°C
What is the largest organ in the human body?
a) Brain
b) Heart
c) Liver
d) Skin
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Answer: d) Skin
What is the process by which plants convert sunlight into chemical energy?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Transpiration
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Answer: a) Photosynthesis
What is the unit of electric current?
a) Volt
b) Ampere
c) Ohm
d) Watt
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Answer: b) Ampere
Which planet is known as the "Red Planet"?
a) Mercury
b) Venus
c) Mars
d) Neptune
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Answer: c) Mars
What is the largest organ in the human body?
a) Brain
b) Heart
c) Liver
d) Skin
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Answer: d) Skin
What is the chemical symbol for the element iron?
a) Fe
b) Ir
c) In
d) Au
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Answer: a) Fe
Which scientist proposed the theory of evolution by natural selection?
a) Isaac Newton
b) Charles Darwin
c) Gregor Mendel
d) Louis Pasteur
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Answer: b) Charles Darwin
What is the unit of measurement for force?
a) Meter
b) Watt
c) Newton
d) Joule
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Answer: c) Newton
What is the largest bone in the human body?
a) Femur
b) Tibia
c) Skull
d) Humerus
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Answer: a) Femur
What is the process by which plants release water vapor through their leaves?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Transpiration
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Answer: d) Transpiration
What is the chemical symbol for the element hydrogen?
a) H
b) O
c) He
d) C
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Answer: a) H
What is the speed of light in a vacuum?
a) 300,000 km/s
b) 100,000 km/s
c) 500,000 km/s
d) 1,000,000 km/s
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Answer: a) 300,000 km/s
What is the study of living organisms called?
a) Biology
b) Chemistry
c) Physics
d) Geology
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Answer: a) Biology
What is the SI unit of energy?
a) Joule
b) Watt
c) Ampere
d) Volt
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Answer: a) Joule
What is the chemical symbol for the element carbon?
a) C
b) Ca
c) Co
d) Cr
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Answer: a) C
What is the process by which liquid water changes into water vapor at the surface of the Earth?
a) Melting
b) Evaporation
c) Condensation
d) Sublimation
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Answer: b) Evaporation
What is the study of the Earth's atmosphere called?
a) Geology
b) Meteorology
c) Astronomy
d) Ecology
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Answer: b) Meteorology
What is the unit of electrical resistance?
a) Ohm
b) Watt
c) Volt
d) Ampere
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Answer: a) Ohm
What is the largest ocean on Earth?
a) Atlantic Ocean
b) Indian Ocean
c) Arctic Ocean
d) Pacific Ocean
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Answer: d) Pacific Ocean
What is the chemical symbol for the element gold?
a) Go
b) Au
c) Ag
d) Gd
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Answer: b) Au
What is the study of the Earth's physical structure and substance called?
a) Geology
b) Meteorology
c) Astronomy
d) Ecology
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Answer: a) Geology
What is the unit of electric potential difference?
a) Volt
b) Watt
c) Ampere
d) Ohm
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Answer: a) Volt
What is the process by which plants and animals break down food to release energy?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Digestion
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Answer: b) Respiration
What is the chemical formula for water?
a) H2O
b) CO2
c) NaCl
d) C6H12O6
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Answer: a) H2O
What is the study of the universe called?
a) Geology
b) Meteorology
c) Astronomy
d) Ecology
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Answer: c) Astronomy
What is the SI unit of power?
a) Watt
b) Joule
c) Ampere
d) Volt
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Answer: a) Watt
What is the process by which solid ice changes directly into water vapor without melting?
a) Melting
b) Evaporation
c) Condensation
d) Sublimation
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Answer: d) Sublimation
What is the study of the interactions between organisms and their environment called?
a) Geology
b) Meteorology
c) Astronomy
d) Ecology
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Answer: d) Ecology
What is the chemical symbol for the element sodium?
a) Na
b) Ne
c) Ni
d) N
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Answer: a) Na
What is the unit of measurement for electric power?
a) Volt
b) Watt
c) Ampere
d) Ohm
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Answer: b) Watt
What is the process by which water vapor changes into liquid water?
a) Melting
b) Evaporation
c) Condensation
d) Sublimation
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Answer: c) Condensation
What is the study of the Earth's physical features, climate, and weather patterns called?
a) Geology
b) Meteorology
c) Astronomy
d) Ecology
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Answer: b) Meteorology
What is the chemical symbol for the element silver?
a) Si
b) Ag
c) Au
d) Al
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Answer: b) Ag
What is the unit of measurement for electric current?
a) Volt
b) Watt
c) Ampere
d) Ohm
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Answer: c) Ampere
What is the process by which plants and algae convert sunlight into chemical energy?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Transpiration
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Answer: a) Photosynthesi
What is the chemical formula for carbon dioxide?
a) H2O
b) CO2
c) NaCl
d) C6H12O6
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Answer: b) CO2
What is the study of the Earth's ecosystems and the relationships between organisms and their environments called?
a) Geology
b) Meteorology
c) Astronomy
d) Ecology
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Answer: d) Ecology
What is the chemical symbol for the element calcium?
a) Ca
b) Co
c) Cu
d) Cs
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Answer: a) Ca
What is the unit of measurement for frequency?
a) Meter
b) Watt
c) Hertz
d) Newton
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Answer: c) Hertz
What is the process by which an organism produces offspring of the same kind?
a) Photosynthesis
b) Respiration
c) Reproduction
d) Digestion
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Answer: c) Reproduction
What is the chemical formula for glucose?
a) H2O
b) CO2
c) NaCl
d) C6H12O6
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Answer: d) C6H12O6
What is the study of the Earth's rocks, minerals, and formations called?
a) Geology
b) Meteorology
c) Astronomy
d) Ecology
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Answer: a) Geology
What is the chemical symbol for the element nitrogen?
a) N
b) Ni
c) Ne
d) Na
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Answer: a) N
What is the unit of measurement for electric resistance?
a) Ohm
b) Watt
c) Ampere
d) Volt
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Answer: a) Ohm
What is the process by which plants and animals convert organic matter into simpler substances?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Decomposition
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Answer: d) Decomposition
That concludes the science GK quiz! I hope you enjoyed testing your knowledge of science trivia.
