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