Top 100 Important Everyday Science Mcqs Set-11 1- The SI unit of electric charge is: A. VoltB. AmpereC. OhmD. Coulomb View Answer Answer : D. Coulomb Description 2- Which gas is used in the manufacture of ammonia? A. OxygenB. HydrogenC. ChlorineD. Carbon dioxide View Answer Answer : B. Hydrogen Description 3- The study of fossils is called: A. SeismologyB. MineralogyC. PetrologyD. Paleontology View Answer Answer : D. Paleontology Description 4- Which vitamin helps in blood clotting? A. Vitamin A B. Vitamin C C. Vitamin KD. Vitamin D View Answer Answer : C. Vitamin K Description 5- The fastest spinning planet in our solar system is: A. EarthB. JupiterC. SaturnD. Neptune View Answer Answer : B. Jupiter Description 6- The process by which plants lose water through stomata is called: A. EvaporationB. TranspirationC. RespirationD. Photosynthesis View Answer Answer : B. Transpiration Description 7- Which metal is used in thermometers? A. ZincB. SilverC. LeadD. Mercury View Answer Answer : D. Mercury Description 8- The disease caused by deficiency of Vitamin B1 is: A. BeriberiB. ScurvyC. RicketsD. Pellagra View Answer Answer : A. Beriberi Description 9- Sound cannot travel through: A. WaterB. IronC. VacuumD. Wood View Answer Answer : C. Vacuum Description 10- The largest living bird is: A. SwanB. EagleC. OstrichD. Peacock View Answer Answer : C. Ostrich Description 11- The chemical formula of common salt is: A. KClB. NaClC. CaCl₂D. MgCl₂ View Answer Answer : B. NaCl Description 12- Which planet has the most moons? A. SaturnB. JupiterC. UranusD. Neptune View Answer Answer : A. Saturn Description 13- The human body has how many pairs of ribs? A. 10B. 12C. 14D. 16 View Answer Answer : B. 12 Description 14- Which gas is released during photosynthesis? A. NitrogenB. MethaneC. OxygenD. Carbon dioxide View Answer Answer : C. Oxygen Description 15- The hardest naturally occurring substance is: A. GraphiteB. DiamondC. QuartzD. Corundum View Answer Answer : B. Diamond Description 16- The pH scale ranges from: A. 0 to 7B. 0 to 14C. 1 to 10 D. 7 to 14 View Answer Answer : B. 0 to 14 Description 17- Which blood cells help in fighting infections? A. WBCsB. PlasmaC. PlateletsD. RBCs View Answer Answer : A. WBCs Description 18- The unit of frequency is: A. HertzB. JouleC. WattD. Newton View Answer Answer : A. Hertz Description 19- The green colour of leaves is due to: A. CaroteneB. ChlorophyllC. XanthophyllD. Anthocyanin View Answer Answer : B. Chlorophyll Description 20- The study of the universe is called: A. AstronomyB. AstrologyC. CosmologyD. Meteorology View Answer Answer : A. Astronomy Description 1 2 3 4 5