Inventions & Discoveries in Science: No.Inventor / DiscoverorInvention / DiscoveryYear 01A.AvogadroMolecular Hypothesis1811 02A.BecquerelPrinciple of Photo-electric Cell1839 03A.BecquerelRadio-activity1896 04A.Binet & T.SimonIntelligence Testing,Modern1905 05A.EinsteinTheory of Relativity1905 06A.LavoisierNature of Combustion1777 07ArchimedesTheory of Displacement of water 3rd century1859 08Charles DarwinTheory of Evolution by Natural by Natural Selection1896 09Charles DarwinOrign of Species1737-53 10C.LinneausClassification of Plants and Animals1869 11D.MendeleevPeriodic Table1912 12F.SoddyTheory of Isotopes1590 13GalileoLaws of FAlling bodies1865 14G.MendelLaws of Heredity1827 15G.S.OhmOhm's Law1827 16Strassman,Hahn,Bohr,FermiUranium Fission Theory1781 17H.CavendishSynthesis of Water1886 18Heinrich HertzElectro-magnetic Waves- 19H.G.KhoranaGenetic Code1913 20H.MoseleyAtomic Number1687 21I.NewtonLaws of Gravitation1687 22J.C.MaxwellElectromagnetic Theory of Light1803 23John DaltonAtomic Theory1808 24John DaltonLaws of Multiple proportion1809 25Joseph Gay-LussacLaws Governing Gases1910 26PavlovTheory of Conditioned Reflex1851 27KelvinDynamite Theory of Heat1876 28Louis PasteurGerm Theory1901 29Max Von PlanckQuantum Theory of radiation1675 30O.RomerVelocity of Light1859 31R.Bunsen & G.KirchhoffSpectrum Analysis1918 32RutherfordAtom Smashing Theory1904 33Sigmund FreudTheory of Psycho-analysis1892 34SteinmetzLaws of Alternating Current1924 35L.Victor de BriglieWave nature of electron1621 36W.ShellLaws of Refraction of Light1895 37RontgenX-rays- 38I.NewtonLaws of motion1800 39VoltaCurrent electricity and electrical battery1774 40PriestleyOxygen1897 41J.J.ThomsonElectron1766 42CavendishHydrogen1841 43FaradayElectromagnetic Induction- 44FaradayLaws of electrolysis1759 45Benjamin FranklinLightning Conductor- 46Louis BraillePrinting for the blind1898 47Madam Marie CurieRadium- 48FunkVitamins1882 49Louis PasteurGerm theory: Hydrophobia Antitoxin;Anti-rabies treatment- 50HahnemannHomoeopathy1932 51BantingInsulin (cure of diabetes)- 52U.N.BrahmachariCure of Kala-azar fever- 53Ronald RossMalaria Parasites1929 54Alexander FlemingPenicillin1796 55Edward JennerSmall-pox vaccination1609 56KeplerLaws of planetary motion1882 57Robert KochTuberculosis bacilli- 58J.DaltonLaw of partial pressures- 59Otto HahnAtom bomb- 60C.V.RamanRaman Effect1867 61Joseph ListerAntiseptic Surgery- 62LeeuwenhockBacteria1628 63HarveyBlood circulation and functioning of heart- 64LandsteinerBlood transfusion- 65Harrison and SimpsonChloroform1884 66Robert KochCholera Bacillus1897 67EijkmanCause of beriberi-

Trade Name: No.TradeProducts 1.AllwynRefrigerator,steelfurniture,watches 2.AgfaPhoto goods 3.AmbassadorCar 4.AmulButter,Ghee,Cheese,Chocolate 5.AerolonHair Spray 6.AtlasBicycle 7.AvonBicycle 8.BataShoes and rubber goods 9.BayerChemicals 10.BajajScooters & Electrical Appliances 11.Binny'sCotton Textiles 12.Black BirdFountain Pen 13.Black and blackWhisky 14.Brooke BondTea 15.B.S.A.Motor Cycle,Bicycle 16.BrassoBrass Polish 17.BrylcreamHair Cream 18.BorolynAntiseptic Skin Cream 19.BritanniaBread,Cake,Biscuit 20.BigstonTelevision 21.BurshaneCooking Gas 22.BinacaTooth Paste,Tooth Brush,Powder 23.CadburyChocolate 24.CaltexPetroleum 25.CeatTyres 26.ChelparkInk 27.ColtRevolver 28.CrownT.V. 29.CromptonMotors,Fans,Light 30.CuticuraTalcum powder,Soap 31.CintholSoap,Powder 32.CobraBoot Polish 33.DauralaSweets and Sugar 34.DodgeMotor Car 35.EvereadyBatteries,Torches,Cell 36.Eastern StarBicycle 37.ExideBatteries 38.EssoPetroleum 39.FlitInsecticide 40.FlexShoes 41.Favre LeubaWatches 42.FirestoneTyres 43.FordMotor Car,Truck,Tractor 44.GemRefrigerators 45.GilletteRazor Blades 46.GodrejSafes,Soaps,Refrigerators,Steel Furniture 47.GrundigElectronic goods 48.HaigWhisky 49.HerculesCycles 50.HennolHair Dye 51.IndaneCooking Gas 52.KasselFans 53.KiwiBoot Polish 54.KodakPhotographic Goods 55.KolynosTooth Paste and Brush 56.LandmasterMotor Car 57.Lal ImliWollens 58.LibertyShirts 59.Max FactorCosmetics 60.MauserPistol 61.Matadorsuitings 62.MurphyRadio 63.NiveaSkin Cream 64.OnidaT.V. 65.OptrexEye Drop 66.OmegaWrist Watches 67.PepsThroat Drugs 68.PanamaSafety Razor Blades,Cigarettes 69.ParkerFountain Pen 70.PolsonButter 71.PyeT.V.,Radio 72.PhilipsElectrical Goods,Radio,Television 73.QuinkInk 74.RaleighBicycle 75.RemingtonTypewriter,Office equipment and machines 76.EnfieldMotor Cycle 77.RolexWatches 78.SilvikrinHair Tonic 79.ShalimarPaints,Biscuits 80.SingerSewing Machine 81.True ToneHair Dye 82.UshaFans,Sewing Machine 83.VoltasAir-conditioning,Refrigerators 84.WestclockTime-piece 85.ZealThermometer

Trade Name: No.TradeProducts 1.AllwynRefrigerator,steelfurniture,watches 2.AgfaPhoto goods 3.AmbassadorCar 4.AmulButter,Ghee,Cheese,Chocolate 5.AerolonHair Spray 6.AtlasBicycle 7.AvonBicycle 8.BataShoes and rubber goods 9.BayerChemicals 10.BajajScooters & Electrical Appliances 11.Binny'sCotton Textiles 12.Black BirdFountain Pen 13.Black and blackWhisky 14.Brooke BondTea 15.B.S.A.Motor Cycle,Bicycle 16.BrassoBrass Polish 17.BrylcreamHair Cream 18.BorolynAntiseptic Skin Cream 19.BritanniaBread,Cake,Biscuit 20.BigstonTelevision 21.BurshaneCooking Gas 22.BinacaTooth Paste,Tooth Brush,Powder 23.CadburyChocolate 24.CaltexPetroleum 25.CeatTyres 26.ChelparkInk 27.ColtRevolver 28.CrownT.V. 29.CromptonMotors,Fans,Light 30.CuticuraTalcum powder,Soap 31.CintholSoap,Powder 32.CobraBoot Polish 33.DauralaSweets and Sugar 34.DodgeMotor Car 35.EvereadyBatteries,Torches,Cell 36.Eastern StarBicycle 37.ExideBatteries 38.EssoPetroleum 39.FlitInsecticide 40.FlexShoes 41.Favre LeubaWatches 42.FirestoneTyres 43.FordMotor Car,Truck,Tractor 44.GemRefrigerators 45.GilletteRazor Blades 46.GodrejSafes,Soaps,Refrigerators,Steel Furniture 47.GrundigElectronic goods 48.HaigWhisky 49.HerculesCycles 50.HennolHair Dye 51.IndaneCooking Gas 52.KasselFans 53.KiwiBoot Polish 54.KodakPhotographic Goods 55.KolynosTooth Paste and Brush 56.LandmasterMotor Car 57.Lal ImliWollens 58.LibertyShirts 59.Max FactorCosmetics 60.MauserPistol 61.Matadorsuitings 62.MurphyRadio 63.NiveaSkin Cream 64.OnidaT.V. 65.OptrexEye Drop 66.OmegaWrist Watches 67.PepsThroat Drugs 68.PanamaSafety Razor Blades,Cigarettes 69.ParkerFountain Pen 70.PolsonButter 71.PyeT.V.,Radio 72.PhilipsElectrical Goods,Radio,Television 73.QuinkInk 74.RaleighBicycle 75.RemingtonTypewriter,Office equipment and machines 76.EnfieldMotor Cycle 77.RolexWatches 78.SilvikrinHair Tonic 79.ShalimarPaints,Biscuits 80.SingerSewing Machine 81.True ToneHair Dye 82.UshaFans,Sewing Machine 83.VoltasAir-conditioning,Refrigerators 84.WestclockTime-piece 85.ZealThermometer

Life Science: No.QuestionAnswer 1.Name the parts which on removal or destruction may cause the death of plantRoots 2.The cover of air around the earth is calledAtmosphere 3.Air occupiesSpace & mass 4.Plants and animals maintain the balance of what in airGases 5.The supporter of combustion in air isOxygen 6.What forms the earth's atmosphereAir 7.The major components of air areNitrogen & Oxygen 8.Water is one of the basic constituents of allLiving 9.The scientific name of Lotus isNelumbo 10.No two human beings are completelyAlike 11.The process of preparation of food by plants is calledPhotosynthesis 12.All living objects consist ofCells 13.The vegetables such as carrot,beet root and radish that you eat areRoots 14.Leaves are green because they haveChlorophy II 15.Plants manufacture food by the process ofPhotosynthesis 16.From the heart,the blood is transported to all the organs of the body byArteries 17.Which teeth are replaced by the permanent teethMilk teeth 18.The reproductive cell of male is called theSperm 19.The plants use which part of air for their foodCarbon dioxide 20.Water is one of the basic constituents of allPlant 21.Water freezes into ice at0 degree C. 22.Water boils at80 degree C. 23.The torch cell is a source of which energyElectrical 24.Which source of energy wind is?Renewable 25.Which energy is released by a transistorSound 26.Energy is always required for doingWork 27.Electrical energy is converted mainly into light energy inFilament 28.The energy hidden in atoms is calledAtomic 29.Balance in nature is the balance between the population ofSpecies 30.A famous mathematician of ancient India isAryabhatta 31.A substance which can exist as solid,liquid and gasWater 32.The power of an electric bulb is marked inWatts 33.Water stored in a high-level dam hasPotential energy 34.The dry cell produces electric energy fromChemical energy 35.The unit used for measuring distances between heavenly objects,isLight Year 36.Musical instrument in which sound is produced by the vibration of air isFlute 37.Carbohydrates are present inCane Sugar 38.The gas used for disinfecting water isChlorine 39.Sand is a compound ofSilicon 40.A mixture of salt and camphor can be separated bySublimation 41.A magnet can be used to seperate a mixture ofIron scrap and sulphur 42.The chemical which is not used for purifying water isWashing soda 43.A bird which is active during night isOwl 44.Hydrilla is a plant that grows inWater 45.A plant which stores food in the root isGinger 46.In most flowers the most colorful part is thePetal 47.The temperature of the surroundings is detected byThe Skin 48.The number of kinds of living organisms on this earth is aboutTwo & half million 49.A species of animals meansA group of similar animals 50.There are some plants which do not haveLeaves 51.An animal without a special organ for hearing isSnake 52.The sense organ in man which are sensitive to chemicals areSkin & nose 53.The tallest tree in the world isThe redwood tree 54.Normally, a housefly lives for aboutOne year 55.In the human body urine is formed inThe kidneys 56.The pancreas in our body is a part ofThe digestive system 57.The blood vessels that we can see just below the skin on the back of our palm areArteries & veins 58.The presence of starch in the leaf is shown byIodine 59.All the cells are similar in structure and function inA tissue 60.The source of energy for all living things isThe sun 61.An animal which cannot take solid food isButterfly 62.Anaemia is usually caused byGlucose 63.The simplest form of carbohydrate isAminoacid 64.The smallest unit of a protein is80-90 65.The percentage of weight of water in our body is aboutC 66.Scurvy is caused by lack of vitaminVitamins 67.Vegetables are included in our diet because mostly they supplyVitamins 68.The most widely seen minerals in the bones areCalcium and Phosphorus 69.Disgested food is mostly absorbed through theSmall intestine 70.The diet of a 2-year old baby should contain moreProtein 71.Tobacco plant makes nicotine inThe leaves

Mechanical Inventions: No.YearInventionInventorCountry 011285Spectacles (Curved glass)Salvino ArmadoItaly 021450Printing PressCaxtonGermany 031500Watch (Main Spring)Peter HenleinGermany 041590MicroscopeZ.JansenNetherlands 051609TelescopeGalilesItaly 061643BarometerE.TorricelliItaly 071650Air PumpVon GuerickGermany 081656Clock,PendulumG.HuygensNetherlands 091700Blast furnaceAbraham,DarbyUnited Kingdom 101714Thermometer,MercuricG.D.FahrenheitGermany 111765Steam EngineJames WattScotland 121767Spinning JennyJ.HargreavesEngland 131780Watch (Self winding)Lewis RecordonEngland 141783BaloonMontgolfier Bros.France 151785ParachuteF.BlanchardFrance 161793Cotton GinEli WhitneyU.S.A. 171794Ball-BearingVanghanBritain 181801Locomotive,SteamR.TrevithickEngland 191803SteamboatRobert FultonU.S.A. 201816Safety LampSir H.DavyEngland 211819StethoscopeLaennecFrance 221825Railroad (Steam)G.StephensonEngland 231825Electro-MagnetW.SturgeonEngland 241826Camera (Photographic)Joseph NippceFrance 251827Match FrictionJohn WalkerEngland 261831Electric GeneratorMichael FaradayEngland 271832TelegraphSamuel MorseU.S.A. 281834Refrigeration,MechanicalParkinsU.S.A. 291834ReaperC.McCormickU.S.A. 301835RevolverColtU.S.A. 311837Photography,Black & WhiteLouis DaguerreFrance 321837KalidoscopeDavid BrewsterEngland 331839Rubber,VulcanizedG.GoodyearU.S.A. 341842BicycleMacmillanScotland 351845CinemascopeAspdinEngland 361849Safety PinWalter HuntU.S.A. 371852GyroscopeL.FoucaltFrance 381855Stove (gas)Robert BunsenGermany 391856ConverterSir H.BessemerEngland 401857Elevator,PassengerE.G.OtisU.S.A. 411859SpectroscopeBunsenGermany 421860DynamoPicinottiItaly 431861Machine GunR.J.GattingU.S.A. 441866TorpedoWhiteheadEngland 451866DynamiteAlfred NobelSweden 461866Sewing MachineElias HoweU.S.A. 471868TypewriterC.SholesU.S.A. 481868Air-Brake for railroadsG.WestinghouseU.S.A. 491869Plastic (Celluloid)John W.HyattU.S.A. 501870CelluloidJohn W.HyattU.S.A. 511876TelephoneA.Graham BellU.S.A. 521876Gas EngineNikolaus OttoGermany 531876Cash RegisterJames RittyU.S.A. 541877PhonographT.A. EdisonU.S.A. 551877MicrophoneBerlinerU.S.A. 561879Incandescent LampT.A. EdisonU.S.A. 571879Electric LampT.A. EdisonU.S.A. 581879CurburretorG.DaimlerGermany 591883RayonSwanengland 601884Fountain PenL.E.WatermanU.S.A. 611885Motor CycleG.DaimlerGermany 621885AutomobileKarl BenzGermany 631885LinotypeO.MergenthalerU.S.A. 641885Internal Combustion EngineG.DaimlerGermany 651885Adding MachineBurroughsU.S.A. 661886Electric FanSchuyler S.WheelerU.S.A. 671887GramophoneBerlinerU.S.A. 681888Pneumatic TyreDunlopNorth ireland 691888KodakGeorge EastmanU.S.A. 701891ZipperW.L.JudsonU.S.A. 711891Photography,ColourLippmanFrance 721892Thermos FlaskJ.DewarEngland 731892Electric Motor A.C.Nicola TeslaU.S.A. 741893ProjectorT.A.EdisonU.S.A. 751893Coke ovenHoffmanAustria 761893AddressographJ.S.DuncanU.S.A. 771895Slot MachineCharles FeyU.S.A. 781895RadioG.MarconiItaly 791895X-ray MachineW.K.RoentgenGermany 801895Diesel EngineRudolf DieselGermany 811900Tractor CaterpillarB.HoltU.S.A. 821903AeroplaneWright BrothersU.S.A. 831905Gyro CompassE.A.SperryU.S.A. 841907Vacuum TubeLee de ForestU.S.A. 851907BakeliteL.H.BackelandU.S.A. 861911HydroplaneGlen CurtissU.S.A. 871911AirconditioningW.H.CarrierU.S.A. 881913Stainless SteelHarry BrearleyEngland 891914Tank,MilitaryE.SwintonEngland 901918Rifle,automaticJohn M.BrowningU.S.A. 911919Motor ScooterGreville BradshawEngland 921923IconoscopeZworykinU.S.A. 931924LoudspeakerPin-KellogU.S.A. 941925Quick Freezing of FoodBirdseyeU.S.A. 951926TelevisionJohn L.BairdScotland 961929Rocket,Liquid FuelR.H.GoddardU.S.A. 971895Safety RazorGilletteU.S.A. 981930Jet PropulsionSir Frank WhittleEngland 991930Ball Point PenHoze Ladislao BiroArgentina 1001930Computer (Analog)Vennevar BushU.S.A. 1011931CyclotronE.O.LawrenceU.S.A. 1021931Cement,PortlandHenri ChretienFrance 1031944Computer (Digital)Howard AikenU.S.A. 1041947TransistorBardeen, Shockley, BrattainU.S.A. 1051960LaserT.H.MainmanU.S.A. 106-SeismographRobert Mallet- 107-HovercraftCockrell- 108-SubmarineBushnell- 109-RadarR.W.WattBritain 110-TeleprinterBandot and Halseke- 111-HelicopterBrequet- 112-CrescographJ.C.BoseIndia