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