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