Top 100 Important Everyday Science Mcqs Set-14 81- The instrument used to measure the humidity of the air is: A. HygrometerB. BarometerC. ThermometerD. Anemometer View Answer Answer : A. Hygrometer Description 82- The most abundant element in the Earth's crust is: A. IronB. SiliconC. OxygenD. Aluminium View Answer Answer : C. Oxygen Description 83- The process of converting glucose into starch is: A. OxidationB. HydrolysisC. PolymerizationD. Dehydration View Answer Answer : C. Polymerization Description 84- The chemical formula of ammonium nitrate is: A. NH₄NO₃B. NH₃NO₃ C. NH₄NO₂ D. NH₃NO₂ View Answer Answer : A. NH₄NO₃ Description 85- The largest butterfly in the world is: A. MorphoB. SwallowtailC. MonarchD. Queen Alexandra’s birdwing View Answer Answer : D. Queen Alexandra's birdwing Description 86- The hormone that regulates the heart rate is: A. InsulinB. AdrenalineC. ThyroxineD. Cortisone View Answer Answer : B. Adrenaline Description 87- The process of converting fats into glucose is: A. LipolysisB. GlycolysisC. LipogenesisD. Gluconeogenesis View Answer Answer : D. Gluconeogenesis Description 88- The chemical formula of potassium permanganate is: A. KMnO₄ B. K₂MnO₄ C. KMnO₃ D. K₂MnO₃ View Answer Answer : A. KMnO₄ Description 89- The part of the human body that produces insulin is: A. LiverB. SpleenC. PancreasD. Gall bladder View Answer Answer : C. Pancreas Description 90- The instrument used to measure the speed of the wind is: A. BarometerB. AnemometerC. HygrometerD. Thermometer View Answer Answer : B. Anemometer Description 91- The most abundant element in the Earth's oceans is: A. OxygenB. HydrogenC. SodiumD. Chlorine View Answer Answer : A. Oxygen Description 92- The process of converting glucose into maltose is: A. HydrolysisB. DehydrationC. OxidationD. Reduction View Answer Answer : A. Hydrolysis Description 93- The chemical formula of sodium nitrate is: A. NaNO₃ B. Na₂NO₃ C. NaNO₂ D. Na₂NO₂ View Answer Answer : A. NaNO₃ Description 94- The largest spider in the world is: A. TarantulaB. HuntsmanC. Wolf spiderD. Goliath birdeater View Answer Answer : D. Goliath birdeater Description 95- The hormone that regulates blood glucose levels is: A. ThyroxineB. AdrenalineC. InsulinD. Glucagon View Answer Answer : C. Insulin Description 96- The process of converting glycogen into glucose is: A. GlycogenesisB. GlycogenolysisC. LipogenesisD. Gluconeogenesis View Answer Answer : B. Glycogenolysis Description 97- The chemical formula of calcium carbonate is: A. CaOB. CaCO₃C. Ca(OH)₂D. CaSO₄ View Answer Answer : B. CaCO₃ Description 98- The part of the human body that produces histamine is: A. EosinophilsB. NeutrophilsC. Mast cellsD. Lymphocytes View Answer Answer : C. Mast cells Description 99- The instrument used to measure the refractive index is: A. PolarimeterB. SpectrometerC. PhotometerD. Refractometer View Answer Answer : D. Refractometer Description 100- The most abundant element in the Sun is: A. HeliumB. HydrogenC. OxygenD. Carbon View Answer Answer : B. Hydrogen Description 1 2 3 4 5