200+ General Knowledge Questions on Science

200+ Selected Questions With Answers

Welcome students, are you searching for some general knowledge questions on Science. Look no further because today we being to you an exclusive and in-depth collection of interesting and innovative GK quiz on science. This will blow up your mind and will keep you glued to your seat. We bring to you such interesting facts and figures which will help you enhance your familiarity and also will help you develop the necessary data bank in Science which will help you during different exams and quizzes.

Expand Your Horizons: General Knowledge Questions on Science Topics

Question No. 01 – What is the chemical symbol for gold?

Answer: Au

Question No. 02 – Who developed the theory of general relativity?

Answer: Albert Einstein

Question No. 03 – What is the study of the Earth’s atmosphere called?

Answer: Meteorology

Question No. 04 – What is the smallest unit of matter?

Answer: Atom

Question No. 05 – What is the name for the process by which plants convert sunlight into energy?

Answer: Photosynthesis

Question No. 06 – What is the chemical formula for water?

Answer: H2O

Question No. 07 – What is the process by which solid ice directly turns into water vapor called?

Answer: Sublimation

Question No. 08 – Who discovered penicillin?

Answer: Alexander Fleming

Question No. 09 – What is the largest bone in the human body?

Answer: Femur

Question No. 10 – What is the hardest naturally occurring substance on Earth?

Answer: Diamond

Question No. 11 – What is the chemical formula for table salt?

Answer: NaCl

Question No. 12 – What is the process by which plants release water vapor into the atmosphere called?

Answer: Transpiration

Question No. 13 – What is the study of earthquakes called?

Answer: Seismology

Question No. 14 – What is the chemical symbol for iron?

Answer: Fe

Question No. 15 – Which gas makes up the majority of Earth’s atmosphere?

Answer: Nitrogen

Question No. 16 – What is the unit of electric current?

Answer: Ampere

Question No. 17 – Who is considered the father of modern genetics?

Answer: Gregor Mendel

Question No. 18 – What is the process by which an organism develops from an egg to an adult called?

Answer: Development

Question No. 19 – What is the speed of light in a vacuum?

Answer: 299,792,458 meters per second

Question No. 20 – What is the largest species of shark?

Answer: Whale Shark

Question No. 21 – What is the study of fossils called?

Answer: Paleontology

Inspire Scientific Thinking: General Knowledge Questions on Science

Question No. 22 – What is the chemical symbol for silver?

Answer: Ag

Question No. 23 – What is the process by which plants lose water through their leaves called?

Answer: Transpiration

Question No. 24 – What is the largest moon in the solar system?

Answer: Ganymede (moon of Jupiter)

Question No. 25 – Who discovered the law of gravity?

Answer: Sir Isaac Newton

Question No. 26 – What is the study of heredity called?

Answer: Genetics

Question No. 27 – What is the SI unit of force?

Answer: Newton

Question No. 28 – What is the smallest planet in our solar system?

Answer: Mercury

Question No. 29 – What is the chemical formula for methane?

Answer: CH4

Question No. 30 – Which gas is essential for photosynthesis?

Answer: Carbon dioxide

Question No. 31 – What is the study of the structure of the universe called?

Answer: Cosmology.

Question No. 32 – What is the process by which a solid turns into a liquid called?

Answer: Melting

Question No. 33 – What is the unit of electric potential?

Answer: Volt

Question No. 34 – Which gas is responsible for the ozone layer depletion?

Answer: Chlorofluorocarbons (CFCs)

Question No. 35 – Who developed the theory of evolution by natural selection?

Answer: Charles Darwin

Question No. 36 – Which gas is commonly used in light bulbs?

Answer: Argon

Question No. 37 – What is the unit of electrical capacitance?

Answer: Farad

Question No. 38 – What is the study of the behavior of matter and radiation at the atomic and subatomic levels called?

Answer: Quantum mechanics

Question No. 39 – Which animal never drinks water in its entire life?

Answer: Kangaroo rat

Question No. 40 – What is the largest organ in the human brain?

Answer: Cerebrum

Question No. 41 – Who discovered the structure of DNA?

Answer: Watson and Crick

Discover the Unknown: General Knowledge Questions about the Sciences

Question No. 42 – Which metal is extracted from its ore through the process of smelting?

Answer: Iron (Fe)

Question No. 43 – Which gas is the most abundant in Earth’s atmosphere?

Answer: Nitrogen (N2).

Question No. 44 – Who discovered the first antibiotic?

Answer: Domagk.

Question No. 45 – Which gas is responsible for the distinct smell of rotten eggs?

Answer: Hydrogen sulfide (H2S).

Question No. 46 – What is the term for a substance that speeds up a chemical reaction without being consumed in the process?

Answer: Catalyst

Question No. 47 – Which gas is responsible for the greenhouse effect?

Answer: Carbon dioxide

Question No. 48 – What is the study of the human mind and behavior called?

Answer: Psychology

Question No. 49 – Which gas is known as laughing gas?

Answer: Nitrous oxide (N2O)

Question No. 50 – What is the largest organ in the human excretory system?

Answer: Kidneys

Question No. 51 – What is the study of the Earth’s weather patterns called?

Answer: Climatology

Question No. 52 – What is the process of converting a solid directly into a gas called?

Answer: Sublimation

Question No. 53 – What is the process of breaking down a compound using electricity called?

Answer: Electrolysis

Question No. 54 – Which gas is produced when a metal reacts with an acid?

Answer: Hydrogen gas (H2)

Question No. 55 – What is the chemical symbol for sodium?

Answer: Na

Question No. 56 – Who discovered radioactivity?

Answer: Becquerel

Question No. 57 – Which planet is known for its rings?

Answer: Saturn

Question No. 58 – What is the study of the Earth’s rocks and minerals called?

Answer: Petrology

Question No. 59 – What is the process by which a gas turns directly into a solid called?

Answer: Deposition

Question No. 60 – Which planet is known as the “Evening Star”?

Answer: Venus

The Science Quest: General Knowledge Questions That Challenge

Question No. 61 – What is the largest organ in the human circulatory system?

Answer: Heart

Question No. 62 – What is the study of the behavior of matter and energy called?

Answer: Thermodynamics

Question No. 63– Which gas is commonly used for respiration?

Answer: Oxygen

Question No. 64 – Who discovered X-rays?

Answer: Wilhelm Conrad Roentgen

Question No. 65 – What is the unit of electrical conductance?

Answer: Siemens

Question No. 66 – What is the study of the Earth’s landforms called?

Answer: Geomorphology

Question No. 67 – What is the process by which a liquid turns into a gas at the surface called?

Answer: Vaporization

Question No. 68 – What is the largest species of lizard?

Answer: Komodo dragon

Question No. 69 – What is the chemical formula for hydrochloric acid?

Answer: HCl

Question No. 70 – What is the study of the properties of matter and energy called?

Answer: Physics

Question No. 71 – What is the region of space from which nothing, not even light, can escape a black hole?

Answer: Event horizon

Question No. 72 – What is the collapsed core of a massive star that forms a black hole?

Answer: Singularity

Question No. 73 – Who first predicted the existence of black holes in 1783?

Answer: John Michell

Question No. 74 – What is the phenomenon called when a black hole emits radiation due to quantum effects near its event horizon?

Answer: Hawking radiation

Question No. 75 – What is the boundary around a black hole beyond which escape is impossible?

Answer: Point of no return

Question No. 76 – What is the process by which a black hole gains mass by absorbing nearby matter?

Answer: Accretion

Question No. 77 – What is the chemical formula for sulfuric acid?

Answer: H2SO4

Uncover Scientific Marvels: General Knowledge Questions on Science

Question No. 78 – What is the largest species of penguin?

Answer: Emperor Penguin

Question No. 79 – What is the largest organ in the human respiratory system?

Answer: Lungs

Question No. 80 – Who discovered the law of conservation of energy?

Answer: Julius Robert Mayer

Question No. 81 – Which planet is known for its prominent rings and many moons?

Answer: Saturn

Question No. 82 – What is the study of the human body called?

Answer: Anatomy

Question No. 83 – What is the largest species of bird?

Answer: Ostrich

Question No. 84 – What is the unit of electrical resistance?

Answer: Ohm

Question No. 85 – What is the chemical symbol for silicon?

Answer: Si

Question No. 86 – Which gas is commonly used in balloons for buoyancy?

Answer: Helium

Question No. 87 – What is the unit of electrical charge?

Answer: Coulomb

Question No. 88 – Who discovered the polio vaccine?

Answer: Jonas Salk

Question No. 89 – What is the study of the Earth’s natural resources and their extraction called?

Answer: Natural resource management

Question No. 90 – What is the chemical symbol for iron?

Answer: Fe

Question No. 91 – Which gas is responsible for the color and smell of rotten eggs?

Answer: Hydrogen sulfide (H2S)

Question No. 92 – What is the largest organ in the human immune system?

Answer: Spleen

Question No. 93 – What is the chemical formula for acetic acid?

Answer: CH3COOH

Question No. 94 – Which planet is known for its blue color?

Answer: Neptune

Question No. 95 – What is the largest species of bear?

Answer: Polar bear

Question No. 96 – Who developed the theory of special relativity?

Answer: Albert Einstein

Question No. 97 – What is the study of the behavior of living organisms called?

Answer: Biology

Question No. 98 – What is the chemical symbol for potassium?

Answer: K

Marvel at Science: General Knowledge Questions That Amaze

Question No. 99 – Which gas is commonly used as a fuel for heating and cooking?

Answer: Natural gas

Question No. 100 – What is the unit of electrical energy?

Answer: Joule

Question No. 101 – Who discovered the laws of planetary motion?

Answer: Johannes Kepler

Question No. 102 – What is the study of the Earth’s magnetic field called?

Answer: Geomagnetism

Question No. 103 – What is the chemical symbol for phosphorus?

Answer: P

Question No. 104 – What is the process by which a gas turns into a liquid called?

Answer: Condensation

Question No. 105 – What is the largest organ in the human musculoskeletal system?

Answer: Skeleton

Question No. 106 – What is the chemical formula for ammonia?

Answer: NH3

Question No. 107 – Which planet is known for its distinct red color?

Answer: Mars

Question No. 108 – What is the study of the behavior of light and its interaction with matter called?

Answer: Optics

Question No. 109 – What is the process by which an organism changes over time to adapt to its environment called?

Answer: Evolution

Question No. 110 – What is the study of the Earth’s geological processes and the forces that shape the Earth’s surface called?

Answer: Geodynamics

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