Top 100 Important Everyday Science Mcqs Set-12 61- The chemical formula of carbon monoxide is: A. COB. CO₂C. C₂OD. C₃O₂ View Answer Answer : A. CO Description 62- The part of the human heart that receives deoxygenated blood is: A. Right ventricleB. Left ventricle C. Right atriumD. Left atrium View Answer Answer : C. Right atrium Description 63- The layer of the Earth that is liquid is: A. CrustB. MantleC. Outer coreD. Inner core View Answer Answer : C. Outer core Description 64- The SI unit of inductance is: A. HenryB. WeberC. TeslaD. Farad View Answer Answer : A. Henry Description 65- The process by which plants absorb water from the soil is: A. OsmosisB. DiffusionC. Active transport D. Transpiration View Answer Answer : A. Osmosis Description 66- The most common compound in the human body is: A. ProteinB. WaterC. FatD. Carbohydrate View Answer Answer : B. Water Description 67- The chemical formula of copper sulphate is: A. CuSO₄B. Cu₂SO₄ C. Cu(SO₄)₂ D. Cu₂(SO₄)₃ View Answer Answer : A. CuSO₄ Description 68- The largest artery in the human body is: A. AortaB. FemoralC. CarotidD. Pulmonary artery View Answer Answer : A. Aorta Description 69- The planet with the largest volcano in the solar system is: A. JupiterB. VenusC. MarsD. Earth View Answer Answer : C. Mars Description 70- The process by which glucose is broken down in the absence of oxygen is: A. FermentationB. PhotosynthesisC. Aerobic respirationD. Anaerobic respiration View Answer Answer : D. Anaerobic respiration Description 71- The chemical used as an antiseptic in hospitals is: A. PhenolB. AcetoneC. MethanolD. Ethanol View Answer Answer : A. Phenol Description 72- The part of the brain that controls body temperature is: A. MedullaB. CerebellumC. CerebrumD. Hypothalamus View Answer Answer : D. Hypothalamus Description 73- The SI unit of electric potential is: A. VoltB. WattC. OhmD. Ampere View Answer Answer : A. Volt Description 74- The study of fungi is called: A. VirologyB. MycologyC. BacteriologyD. Parasitology View Answer Answer : B. Mycology Description 75- The process of breaking down food into simpler substances is: A. ExcretionB. AssimilationC. DigestionD. Absorption View Answer Answer : C. Digestion Description 76- The chemical formula of methane is: A. CH₄B. C₂H₆C. C₃H₈ D. C₄H₁₀ View Answer Answer : A. CH₄ Description 77- The planet with the most massive ring system is: A. JupiterB. SaturnC. UranusD. Neptune View Answer Answer : B. Saturn Description 78- The hormone responsible for the development of secondary male characteristics is: A. InsulinB. EstrogenC. ProgesteroneD. Testosterone View Answer Answer : D. Testosterone Description 79- The chemical used in refrigerators as a coolant is: A. WaterB. AmmoniaC. OxygenD. Nitrogen View Answer Answer : B. Ammonia Description 80- The process by which sediment is laid down in a new location is: A. ErosionB. TransportC. WeatheringD. Deposition View Answer Answer : D. Deposition Description 1 2 3 4 5