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