General Science MCQs Test 0% 0 Report a question What’s wrong with this question? You cannot submit an empty report. Please add some details. 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118 Created by Sneeza Sneeza General Science Test 1 / 118 What is the process of a gas changing into a liquid called? Evaporation Freezing Melting Condensation Sublimation 2 / 118 Which organ in the human body produces insulin? Kidneys Stomach Heart Pancreas Liver 3 / 118 Which planet is known as the Morning Star or Evening Star? Mercury Jupiter Mars Venus Saturn 4 / 118 What is the process of a solid turning directly into a gas called? Sublimation Freezing Condensation Evaporation Melting 5 / 118 Which gas do plants use to produce energy? Carbon Monoxide Nitrogen Helium Oxygen Carbon Dioxide 6 / 118 What is the process of a gas turning into a liquid called? Sublimation Evaporation Freezing Melting Condensation 7 / 118 What is the force that pulls objects towards the center of the Earth? Gravity Magnetism Tension Friction Buoyancy 8 / 118 What type of energy is stored in food? Nuclear Solar Potential Chemical Kinetic 9 / 118 What is the process of plants releasing water vapor called? Transpiration Pollination Photosynthesis Respiration Fertilization 10 / 118 What is the Earth’s primary source of energy? Oil Wind Sun Water Coal 11 / 118 What is the strongest force in the universe? Strong nuclear force Weak nuclear force Friction Gravity Electromagnetism 12 / 118 What is the unit of energy in the metric system? Calorie Newton Joule Volt Watt 13 / 118 Which of the following is not a state of matter? Plasma Liquid Gas Light Solid 14 / 118 Which planet is known as the Morning Star and the Evening Star? Mercury Mars Jupiter Venus Saturn 15 / 118 What is the study of the universe beyond the Earth called? Astronomy Physics Geology Chemistry Biology 16 / 118 Which of the following is a type of renewable energy? Nuclear Coal Oil Solar Natural Gas 17 / 118 What is the unit of measurement for force? Joule Watt Ampere Volt Newton 18 / 118 What is the chemical symbol for silver? Pb Au Fe Cu Ag 19 / 118 Which subatomic particle has a positive charge? Positron Proton Electron Neutron Meson 20 / 118 What is the chemical symbol for gold? Fe Cu Pb Ag Au 21 / 118 Which of the following is a noble gas? Hydrogen Oxygen Helium Nitrogen Carbon 22 / 118 How many bones are in the human body? 120 206 150 100 300 23 / 118 What is the atomic number of hydrogen? 4 2 5 1 3 24 / 118 Which of the following is a primary color of light? Green Red White Black Yellow 25 / 118 What is the main function of red blood cells? Digest Food Produce Insulin Store Energy Fight Infection Carry Oxygen 26 / 118 Which scientist is credited with the discovery of electromagnetic induction? Galileo Galilei James Clerk Maxwell Michael Faraday Isaac Newton Nikola Tesla 27 / 118 What is the main function of the ozone layer? Absorb carbon dioxide Control climate Trap heat Produce oxygen Protect from UV radiation 28 / 118 What is the chemical symbol for iron? Ag Ir Fe Cu Au 29 / 118 Which of the following is a primary color? Orange Yellow Purple Green Black 30 / 118 What is the study of living organisms called? Botany Biology Geology Chemistry Physics 31 / 118 Which of the following is not a renewable source of energy? Coal Geothermal Hydro Solar Wind 32 / 118 What is the main function of the red blood cells? Carry oxygen Fight infection Produce energy Digest food Pump blood 33 / 118 What is the process of changing a liquid into a gas called? Sublimation Evaporation Melting Freezing Condensation 34 / 118 What is the largest organ in the human body? Lungs Skin Heart Brain Liver 35 / 118 Which gas do plants use for photosynthesis? Carbon Dioxide Helium Nitrogen Hydrogen Oxygen 36 / 118 What is the process of a liquid turning into a gas at the surface called? Condensation Sublimation Boiling Freezing Evaporation 37 / 118 Which gas makes up the largest percentage of the Earth’s atmosphere? Nitrogen Oxygen Helium Carbon Dioxide Argon 38 / 118 What is the process of plants making food using sunlight called? Germination Respiration Pollination Photosynthesis Transpiration 39 / 118 Which of the following is a greenhouse gas? Carbon Dioxide Nitrogen Argon Oxygen Helium 40 / 118 Which of the following is a type of simple machine? Gear Pulley Wheel Screw Lever 41 / 118 Which type of rock is formed from cooling magma or lava? Volcanic Igneous Metamorphic Granite Sedimentary 42 / 118 Which type of rock is formed by the cooling of magma or lava? Metamorphic Volcanic Igneous Granite Sedimentary 43 / 118 What is the closest star to Earth, other than the sun? Sirius Proxima Centauri Alpha Centauri Vega Betelgeuse 44 / 118 What is the freezing point of water in Celsius? 25°C 50°C -273°C 0°C 100°C 45 / 118 Which of the following is a renewable energy source? Oil Solar Natural Gas Coal Nuclear 46 / 118 What is the main component of natural gas? Butane Propane Octane Ethane Methane 47 / 118 What is the process by which plants make their food? Fermentation Digestion Evaporation Respiration Photosynthesis 48 / 118 What is the process of the Earth’s outer layer breaking into pieces called? Glaciation Weathering Tectonic Plates Volcanism Erosion 49 / 118 Who proposed the theory of general relativity? Niels Bohr Galileo Galilei Isaac Newton Albert Einstein Stephen Hawking 50 / 118 What is the largest organ in the human body? Lungs Heart Liver Skin Brain 51 / 118 What is the speed of light in a vacuum? 150,000 km/s 300,000 km/s 200,000 km/s 350,000 km/s 250,000 km/s 52 / 118 What is the process by which plants make their food called? Transpiration Photosynthesis Respiration Fertilization Pollination 53 / 118 Which planet has the most moons in our solar system? Mars Saturn Neptune Uranus Jupiter 54 / 118 What is the freezing point of water in Celsius? 0°C 50°C -273°C 100°C 25°C 55 / 118 Which of the following is a metal? Sulfur Iron Hydrogen Nitrogen Oxygen 56 / 118 What is the hardest natural substance on Earth? Diamond Platinum Silver Gold Steel 57 / 118 What is the Earth’s outermost layer called? Mantle Crust Atmosphere Hydrosphere Core 58 / 118 What is the process by which plants make their food called? Fermentation Photosynthesis Respiration Decomposition Digestion 59 / 118 Which of the following is a primary color of light? Black Green Yellow White Red 60 / 118 Which of the following is not a renewable energy source? Geothermal Hydroelectric Coal Wind Solar 61 / 118 Which of the following is a greenhouse gas? Oxygen Neon Nitrogen Carbon Dioxide Argon 62 / 118 Which planet is the hottest in our solar system? Earth Mercury Venus Jupiter Mars 63 / 118 What is the fastest animal on land? Pronghorn Leopard Lion Cheetah Gazelle 64 / 118 Which planet is known as the Red Planet? Saturn Mars Mercury Jupiter Venus 65 / 118 What is the chemical symbol for water? WA H2O W HO O 66 / 118 What is the study of earthquakes called? Tectonics Seismology Meteorology Volcanology Climatology 67 / 118 Which planet is known as the Blue Planet? Jupiter Venus Mars Saturn Earth 68 / 118 Which planet is known as the red planet? Saturn Mercury Venus Jupiter Mars 69 / 118 Who is known as the father of modern chemistry? Dmitri Mendeleev Robert Boyle Antoine Lavoisier John Dalton Joseph Priestley 70 / 118 What is the chemical symbol for gold? G Gl Au Go Ag 71 / 118 Which of the following is considered a greenhouse gas? Carbon dioxide Oxygen Nitrogen Methane Argon 72 / 118 What is the center of an atom called? Photon Proton Neutron Electron Nucleus 73 / 118 What is the process of a liquid turning into a gas called? Melting Freezing Evaporation Condensation Sublimation 74 / 118 What is the chemical symbol for hydrogen? H Ar N O He 75 / 118 What is the process of a solid changing directly into a gas called? Freezing Sublimation Melting Condensation Evaporation 76 / 118 What force pulls all objects towards the center of the Earth? Magnetism Gravity Buoyancy Tension Friction 77 / 118 What is the hardest natural substance on Earth? Quartz Steel Tungsten Graphite Diamond 78 / 118 Which element has the highest melting point? Platinum Lead Nickel Carbon Tungsten 79 / 118 What is the chemical formula for water? H2O CH4 NaCl H2SO4 CO2 80 / 118 What is the chemical formula for table salt? CO2 NaCl H2O C6H12O6 CaCO3 81 / 118 What is the study of Earth’s atmosphere called? Chemistry Meteorology Geology Astronomy Biology 82 / 118 What is a group of similar cells working together called? Tissue System Muscle Organ Fluid 83 / 118 What is the chemical symbol for water? H2O CO2 O2 NaCl H2 84 / 118 Which planet is known as the Red Planet? Saturn Mars Venus Mercury Jupiter 85 / 118 What causes tides in the oceans? Sun's gravity Underwater volcanoes Earth's rotation Wind patterns Moon's gravity 86 / 118 What is the process of a liquid turning into a gas called? Melting Sublimation Evaporation Condensation Freezing 87 / 118 What is the SI unit for measuring temperature? Kelvin Rankine Fahrenheit Newton Celsius 88 / 118 What is the chemical formula for water? CaCO3 H2O2 H2O CO2 NaCl 89 / 118 Which natural disaster is measured using the Richter scale? Earthquake Tornado Tsunami Hurricane Volcano 90 / 118 What is the hardest natural substance on Earth? Gold Platinum Diamond Iron Silver 91 / 118 What is the chemical symbol for carbon? Pb Au Fe C Ag 92 / 118 Which of the following is a vector quantity? Speed Volume Mass Temperature Acceleration 93 / 118 What is the SI unit of frequency? Watt Joule Ampere Newton Hertz 94 / 118 What is the closest star to Earth? Proxima Centauri Alpha Centauri Betelgeuse Sirius Sun 95 / 118 What is the powerhouse of the cell? Nucleus Mitochondria Ribosome Golgi Apparatus Endoplasmic Reticulum 96 / 118 Which scientist is known for the theory of relativity? Galileo Galilei Isaac Newton Marie Curie Nikola Tesla Albert Einstein 97 / 118 What is the boiling point of water in Celsius? 0°C 25°C 100°C 50°C -273°C 98 / 118 Which of the following is a mammal? Frog Salmon Turtle Snake Dolphin 99 / 118 Which of the following is NOT a type of cloud? Stratus Nimbus Cumulus Cirrus Tsunami 100 / 118 What is the largest organ in the human body? Heart Brain Lungs Liver Skin 101 / 118 Which scientist is known for the theory of relativity? Marie Curie Nikola Tesla Albert Einstein Isaac Newton Galileo Galilei 102 / 118 What type of energy does a battery store? Nuclear Energy Solar Energy Potential Energy Chemical Energy Kinetic Energy 103 / 118 What is the unit of resistance? Joule Watt Ohm Volt Ampere 104 / 118 What does the Richter scale measure? Humidity Temperature Time Wind Speed Earthquake Magnitude 105 / 118 What is the study of the Earth’s physical structure and substance called? Biology Zoology Geology Botany Chemistry 106 / 118 What is the process of a gas turning into a liquid called? Sublimation Condensation Freezing Melting Evaporation 107 / 118 What is the chemical symbol for gold? Gd Gl Go Ag Au 108 / 118 What is the chemical symbol for gold? Hg Ag Go Pt Au 109 / 118 Which of the following is a unit of measurement for distance in space? Newton Kilogram Meter Light Year Second 110 / 118 What is the largest planet in our solar system? Earth Mercury Jupiter Mars Venus 111 / 118 What is the main component of the Earth’s atmosphere? Oxygen Helium Argon Carbon Dioxide Nitrogen 112 / 118 What is the chemical symbol for helium? Ne H Li He Be 113 / 118 What is the longest bone in the human body? Humerus Femur Ulna Radius Tibia 114 / 118 What is the study of living organisms called? Zoology Chemistry Botany Biology Geology 115 / 118 Which planet is known as the Red Planet? Mercury Mars Jupiter Earth Venus 116 / 118 Which of the following is a type of simple machine? Screw Pulley Spring Lever Gear 117 / 118 What is the chemical symbol for iron? Fe Ir Ag Pb Au 118 / 118 Which gas do plants use for photosynthesis? Nitrogen Oxygen Carbon Dioxide Helium Hydrogen Your score isShare your result on social media. LinkedIn Facebook VKontakte 0% Restart quiz