World - Current affairs Auestions and Answers - page 1

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1 Non-members of United Nations

Answer: Three countries are not members of the United Nations (UN), namely: Kosovo, Palestine, and Vatican City.

2 OPEC Members

Answer: These countries are members of OPEC: Algeria,   Angola,   Ecuador,   Equatorial Guinea,   Gabon,   Iran,   Iraq,   Kuwait,  Libya,   Nigeria,   Qatar,   Republic of the Congo,   Saudi Arabia,   United Arab Emirates,   Venezuela

3 Continents in the world

Answer: The most widely adopted classification of continents in the world is:
1. Africa.
2. Europe
3. Asia
4. North America
5. South America
6. Australia (or Oceania)
7. Antarctica

4 Inventions and Inventors

Answer:

List of famous inventors and their inventions:

NameInventionsNationality
Abraham LincolnDevice for Buoying Vessels Over ShoalsAmerican
Adolphe SaxSaxophoneBelgian
Al KhwarizmiMural Instrument and Sine QuadrantPersian
Albert HofmannLysergic Acid Diethylamide (LSD)Swiss
Alberto Santos-DumontAirship and Fixed-wing AircraftBrazilian
Alessandro VoltaBatteryItalian
Alexander FlemingPenicillinScottish
Alexander Graham BellTelephoneScottish
Alexander PopovRadio Receiver and Lightning DetectionRussian
Alfred NobelGelignite and DynamiteSwedish
AlhazenPinhole CameraArab
Al-JazariRobotics, Elephant Clock, Sand Casting, Lamination, Paper Model, Flush ToiletArab
Al-KindiCryptanalysis and Frequency AnalysisArab
Amar BoseDirect/Reflecting Audio SpeakersIndian American
Andrei SakharovTsar Bomba, Tokamak and Explosively Pumped Flux Compression GeneratorRussian
Antonio MeucciTelephoneItalian
ArchimedesArchimedes’ ScrewAncient Greek
AvicennaEssential Oil, Steam Distillation, Clincial Trial, Pharmacopoeia, Alternative Cancer Treatments, Quarantine and Clinical PharmacologyPersian
B. F. SkinnerAir Crib, Operant Conditioning Chamber, Cumulative Recorder, Teaching Machine and Verbal SummatorAmerican
Baltzar von PlatenGas Absorption RefrigeratorSwedish
Barnes WallisBouncing BombBritish
Bartolomeo CristoforiPianoItalian
Benjamin FranklinFranklin Stove, Bifocals, Lightning Rod and Glass HarmonicaAmerican
Blaise PascalPascal’s Calculator and Adding MachineFrench
Buckminster FullerGeodesic DomeAmerican
Burt RutanSpaceShipOneAmerican
Charles BabbageAnalytical Engine and Difference engineBritish
Charles Francis JenkinsTelevision and Movie ProjectorAmerican
Charles GoodyearVulcanizationAmerican
Charles Lindbergh “Model T” PumpAmerican
Charles SimonyiHungarian NotationHungarian-American
Christiaan HuygensPendulum ClockDutch
Cyrus McCormickMechanical ReaperAmerican
Dean KamenSegway PT and iBOTAmerican
Dennis RitchieC Programming Language and UNIX Operating SystemAmerican
Dmitri MendeleevPeriodic TableRussian
Douglas EngelbartMouseAmerican
Eadweard MuybridgeFilmBritish
Edward TellerThermonuclear WeaponHungarian-American
Eli WhitneyMilling, Interchangeable Parts and Cotton GinAmerican
Elias HoweSewing MachineAmerican
Elijah McCoyAutomatic Oil CupCanadian-American
Elisha OtisThe ElevatorAmerican
Ellen OchoaOptical Analysis SystemsAmerican
Emile BerlinerGramaphoneAmerican
Enrico FermiNuclear ReactorItalian
Erno RubikRubik’s CubeHungarian
Evangelista TorricelliBarometerItalian
Frank HornbyHornby Model Railways, Dinky Toys and MeccanoBritish
Frank WhittleJet engineBritish
Gail BordenCondensed MilkAmerican
George CrumPotato ChipsAmerican
George EastmanRoll FilmAmerican
George FerrisThe Ferris WheelAmerican
George PullmanPullman Sleeper CarAmerican
George StephensonSteam Locomotive and Stephenson’s RocketBritish
George Washington CarverAgricultural ProductsAmerican
George WestinghouseRailway Air BrakeAmerican
Granville T. WoodsIncubator, Multiplex Telegraph, Telegraphony and Third RailAmerican
Guglielmo MarconiWireless CommunicationItalian
Gunther von HagensPlastinationGerman
Hans LippersheyTelescopeGerman-Dutch
Hedy LamarrFrequency-Hopping Spread-SpectrumAustrian American
Heinrich HertzWireless Telegraphy and RadarGerman
Henry BessemerProcess for Mass-Producing SteelBritish
Henry FordAssembly Line for Automobile ManufacturingAmerican
Herman HollerithPunched Card and TabulatorAmerican
Humphry DavyDavy LampCornish
Igor SikorskyHelicopterRussian American
Isaac NewtonPet Door and Reflecting TelescopeBritish
Isaac SingerSewing MachineAmerican
J. Robert OppenheimerAtomic BombAmerican
Jack KilbyIntegrated CircuitAmerican
Jacques CousteauAqua-lungFrench
Jagadish Chandra BoseCrescographBengali
James Clerk MaxwellColor PhotographyScottish
James DysonBallbarrowBritish
James HargreavesSpinning JennyBritish
James NaismithFootball Helmet and BasketballCanadian American
James WattPhotocopier and Watt Steam EngineScottish
Johannes GutenbergPrinting PressGerman
John BarberGas TurbineBritish
John BardeenTransistorAmerican
John DeereSelf-Polishing Cast Steel PlowAmerican
John HarrisonMarine Chronometer and Gridiron PendulumBritish
John Logie BairdTelevisionScottish
John MillerRoller CoasterAmerican
John Moses BrowningAutoloading PistolsAmerican
John NapierLogarithm and Napier’s BonesScottish
John PembertonCoca-ColaAmerican
John VennVenn DiagramBritish
Joseph HenryElectromagnetic InductionAmerican
Joseph PriestleyCarbonated WaterBritish
Joseph SwanIncandescent Light BulbBritish
Juan de la CiervaAutogyroSpanish
Justus von LiebigChloroformGerman
Karl BenzGasoline-powered AutomobileGerman
Kary MullisPolymerase Chain Reaction (PCR)American
Konrad ZuseComputerGerman
Larry PageGoogle Search and PageRankAmerican
Leonardo da VinciParachute, Armored Car, Triple Barrel Canon, Double Hull, Omtihopter and AnemometerItalian
Les PaulMultitrack RecordingAmerican
Levi StraussBlue JeansGerman American
Lewis LatimerCarbon-filament Light BulbAmerican
Linus TorvaldsLinuxFinnish American
Lonnie JohnsonSuper SoakerAmerican
Louis BrailleBraille SystemFrench
Louis PasteurPasteurizationFrench
Madam C.J. WalkerHair Care ProductsAmerican
Marie CurieDiscovery of Polonium and RadiumPolish
Mary AndersonWindscreen WiperAmerican
Michael FaradayElectric Motor, Toy Balloon, Electrolysis, Homopolar Generator and Faraday CageBritish
Mikhail KalashnikovAK-47 and AK-74Russian
Montgolfier brothersHot Air BalloonFrench
Muhammad YunusMicrofinanceBangladesh
Murasaki ShikibuPsychological NovelJapanese
Nicolas AppertCanningFrench
Nikola TeslaThree-phase Electric Power, Induction Motor, Wireless Telegraphy, Alternating Current, Tesla Coil, Neon Lamp and Remote ControlSerbian American
Ole Kirk ChristiansenLegoDanish
Otto LilienthalHang GliderGerman
Otto von GuerickeVacuum Pump, Dasymeter and Pressure MeasurementGerman
Paul WinchellArtificial HeartAmerican
Percy SpencerMicrowave OvenAmerican
Peter CooperJell-OAmerican
Philo FarnsworthTelevisionAmerican
Ray DolbyDolby Noise-Reduction SystemAmerican
Ray KurzweilImage Scanner and Optical Character RecognitionAmerican
Richard TrevithickSteam LocomotiveBritish
Robert FultonCommercial SteamboatAmerican
Robert GoddardLiquid-propellant Rocket and Rocket EngineAmerican
Robert MoogMoog synthesizerAmerican
Robert NoyceIntegrated circuitAmerican
Roger BaconMagnifying GlassBritish
Ron PopeilHousehold ProductsAmerican
Rube GoldbergConvoluted Execution of Simple TasksAmerican
Rudolf DieselDiesel EngineGerman
Ruth HandlerBarbieAmerican
Samuel ColtRevolver and Colt PatersonAmerican
Samuel MorseMorse codeAmerican
Satyendra Nath BoseBosonIndian
Sergey BrinGoogle Search and PageRankAmerican
Simon StevinLand SailingFlemish
Spede PasanenSki Jumping SlingFinnish
Steve JobsPersonal ComputerAmerican
Steve WozniakPersonal ComputerAmerican
Ted NelsonHypermedia and HypertextAmerican
Temple GrandinLivestock Handling DevicesAmerican
Thomas Alva EdisonIncandescent Light Blub, Phonograph cylinder, Quadruplex Telegraph, Carbon Microphone, Phonograph, Electric Power Distribution and Movie CameraAmerican
Thomas CrapperBallcockBritish
Thomas JeffersonConsumer DevicesAmerican
Thomas SaverySteam EngineBritish
Tim Berners-LeeWorld Wide Web and HTMLBritish
Trevor BaylisWind-up RadioBritish
Ub IwerksMultiplane CameraAmerican
Vannevar BushDifferential AnalyserAmerican
Walt DisneyMultiplane CameraAmerican
Werner von SiemensDynamo, Electric Elevator and TrolleybusGerman
Wilhelm RöntgenX-ray GeneratorGerman
William ShockleyTransistorAmerican
Wright brothersAirplaneAmerican

5 Largest oceans in the worls

Answer:

5 Largest Oceans in the world

1. Pacific Ocean: Known as the largest ocean on Earth, the Pacific Ocean covers more than one-third of the Earth's surface and nearly half of Earth's water surface. ...
2. Atlantic Ocean
3. Indian Ocean
4. Southern Ocean
5. Arctic Ocean

6 Which is the most populous country in the world?

Answer:

 China, with a population of 1,397,897,720 according to July 1, 2021 statistics


7 Which countries has the second-highest population in the world?

Answer:

 India, with a population of 1,339,330,514 according to July 1, 2021 statistics


8 Which country has the third-highest population in the world?

Answer:

United States, with a population of 332,475,723 according to July 1, 2021 statistics


9 Which is the tallest building in the world?

Answer:

Burj Khalifa, 828m tall. That is, 2,717ft


Current Affairs App

Practise current affairs questions and answers with our current affairs app. The app is is available on Play Store for free.


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