Oceans, Seas, Rivers & Mountains: No.OceanArea 01Pacific64186300 Sq. m. 02Atlantic33420000 Sq.m. 03Indian28350500 Sq.m. 04Arctic5105700 Sq.m. No.SeaArea 01South China Sea1148500 Sq.m. 02Carribean Sea971400 Sq.m. 03Mediterranean Sea969100 Sq.m. No.RiverLength 01Nile (Africa)4145 miles 02Amazon (Brazil)4000 miles 03Yangtze-Kiang (China)3400 miles 04Congo (Africa)2718 miles 05Amur (U.S.S.R.)2700 miles 06Niger (Africa)2600 miles No.MountainCountryh-Metresh-Feet 01EverestNepal/Tibet884829028 02Godwin AustenIndia861128250 03KanchenjungaIndia/Nepal860028215 04MalakuNepal/Tibet848127825 05DhawalgiriNepal817226988 06Nanga ParbatIndia812626816 07AnnapurnaNepal807826504 08Nanda DeviIndia781725645 09RakaposhiIndia778025550 10Mt.KametIndia775625447 11HuascaranPeru676822205 12KailasTibet671422028 13SajamaBolivia654221463 14Mt.MckinleyAlaska (USA)619420320 15KilimanjaroTanzania588819317 16Mt.BlancFrance (Alps)481015781
Our Universe: No.QuestionAnswer 1.Alcoholic drinks containEthyl alcohol 2.Jamini Roy is a famousPainter 3.Calcium is required by human body forStrong teeth and for strong bone 4.What is Muntz Metal?An alloy containing copper and zinc in the proportion of 3:2 5.The first man to reach south pole wasAmundson 6.What is Interpol?International Police 7.In how many fields the nobel prize is awarded?6 8.Who is the writer of "Swami and Friends"R.K.Narayan 9.Which is the brighest star in our solar system?Sirius 10.The earths annual circuit round the sun covers a distance of966 million km 11.The speed per minute at which the earth revolves round the sun ismore than 1600 km 12.Which gas is most predominent in the sun?Hydrogen 13.The time taken by the Uranus to revolve round the sun is approximately?84 years 14.Which is the brighest planet as seen from the earth?Venus 15.The distance between the earth and the sun is greatest duringAphelion 16.The earth rotates on its axis fromWest to East 17.On which of the following planets of solar system does the sun rise in the west and set in the east?Venus 18.The planet Pluto's orbit around the sun takes about248 years 19.The biggest star in our galaxy isSun 20.The nearest star to earth (excepting the sun), in our galaxy isProxima centuri 21.Who was the first to observe sun-spots?Galileo 22.What is the sun-spots?These are cooler areas which move about on the sun's surface and show up as dark spots. 23.The only planet in the solar system which rotate on its axis from East to West isUranus 24.What is the distance between the earth and the sun?150 x 10*10*10*10*10*10 km 25.How many times is sun bigger in size than the earth?109 times 26.When was neutron,one of the particles of an atom,discovered?1932 27.The sun's heat and light energy reaches the earth by which mode of transmission?Radiation 28.How many days does the moon take to return to the same position among the constellations?28 days 29.Which planet takes the least time to complete one revolution around the sun?Mercury 30.Name two planets which appear as 'moving star' in the eastern sky and 'evening star' in the western sky.Mercury and Venus 31.Name two planets lying between the sun & the earth.Mercury and Venus 32.Who was the first to determine that the day on the mars was,like ours,roughly 24 hours long?Giordano Bruno 33.How long does a sun-ray take to travel from the sun to the earth?500 seconds 34.The comet named after Edmund Halley,reappears after the time interval of every76 years 35.Titan,the largest moon in the solr system, is also the largest moon ofSaturn 36.Who was the first person to measure the size of another planetChristian Huygens 37.Who was the first to speculate that Venus is completely covered with cloudsChristian Huygens 38.The atoms are composed of how many kinds of elementary particles?Three 39.What name is given to the path of the sun amongst the stars in our galaxy?Ecliptic 40.The visible part of the sun is calledIonosphere 41.Which of the planets reflects back to space the highest percentage of light it receives from the sun than any other planet of the solar system?Venus 42.Who wrote the book "Harmonies of the World"?Johannes Kepler 43.What will happen if the Earth were to stop its rotatory motion on its axis?There will be no day and night as at present 44.In which part of the solar system is the sun located?Approx. at the centre of the system 45.Which of the planets turns on its axis in 24 hours and 37 minutes?Mars 46.Who was the first to measure the distnce round the earth?Eratosthenes 47.What percentage of the irregular surface of the Earth is covered with water?80 % 48.Which planet was for the first time observed in 1930?Pluto 49.Which of planets has almost the same mass,size and density as the Earth?Venus 50.The temperature at the surface of the sun and its centre is respectively,about6000 k
Environment: No.QuestionAnswer 01The biggest energy source on the surface of the earth isSolar radiation 02The acid found in soil isHumic acid 03Burning of fossil fuels releasesCarbon-di-oxide 04The place referred to as the Valley of Death isCubatao in Brazil 05The Valley of Flowers is located atGarhwal in Himalayas 06The element found abundant in the crust of the earth isOxygen 0799 percent of the crust of earth is composed ofElements 08The crust of the earth is calledLithosphere 09The type of soil found in the dessert isAridisols 10Acid rain was discovered byR.A.Smith 11The simplest and least polluting way of deriving energy isSolar energy 12Junk of appliances and vehicles is known asSolid Waste 13Oceans are ecologically divided into how many regionsFive 14Uranium miners more frequently suffer fromCancer 15Textile workers more frequently suffer fromByssinosis 16Coal miners more frequently suffer fromBlack lung diseases 17The type of living beings more sensitive to nuclear radiations areMammals 18The most acute pollution problem faced by nuclear power industry isDisposal of nuclear waste 19Excessive inhalling of manganese causesPnemonia 20Hay fever is due to the presence of which thing in the airPollen 21The metal which causes systemic poisoning in man isLead 22Dust containing silica causesSilicosis 23Intensive use of nitrate fertilizers causesMethemoglobinemia 24The most economic and pollution free form of transport isBicycle 25The main source of harmful radiations in our house can be due toTelevisions 26The most recently discovered ecosystem isVent 27The most biologically productive ecosystem isAlluvial plains 28Ecologists divide divide lakes into how many zonesThree 29Death valley is located in which dessertNevada 30Man first cultivated crops in which ageNeolithic 31Sheep were initially dpmesticated forMeat and milk 32The industrial chemical which increases the chance of developing Leukemia isBenzene 33The Royal society for the Protection of Birds was formed in1889 AD 34`Man and the Biosphere'an ecological programme was launched byUNESCO 35Chemicals which get rid of pests are called asPesticides 36The living beings which are known as teritary consumers areMeat-eating animals 37A motor car produces least amount of pollution whileMoving 38The first living beings who established themselves on rocky slopes wereLichens 39Birds evolved on earth during theJurassic period 40Water covers about how many percent of the earth's surfaceSeventy 41Oxygen was discovered byJoseph Priestley 42Oxygen was discovered inAugust 1774 43The word `Oxygen'was coined byAntonie Levoiser 44When something burns in air, it combines with oxygen and the process is calledOxidation 45When we breather,oxygen combines chemically with glucose in the body to createEnergy 46The two major components of air are oxygen andNitrogen 47The French chemist who showed that air was the same all around the world wasHenri Regnault 48William Ramsay discovered that air also contained tiny traces ofInert gases 49The gases which are slow to react with other chemicals are calledInert gases 50The air surrounding the earth is forever on the move because ofSun's heat 51A space with nothing in it is calledVacuum 52Air pressure is related to density of air. This was discovered by whom in 1662 ADRobert Boyle 53Earth's atmosphere has how many layersFive 54Moon gets very hot and very cold as it has noAtmosphere 5578 percent of the atmosphere isNitrogen 5621 percent of the atmosphere isOxygen 57The atmospheric layer immediately around the earth is calledTroposphere 58The second atmospheric layer is calledStratosphere 59The third atmospheric layer is calledMesosphere 60The fourth atmospheric layer is calledIonosphere 61The fifth atmospheric layer is calledExosphere 62Human beings inhale what and give out whatOxygen,carbon dioxide 63Plants inhale what and give out whatCarbon dioxide,oxygen 64Bubbles in soda water is due to presence ofCarbon dioxide 65Ozone is actually a form ofOxygen 66We are protected from ultraviolet radiation from the sun due to the presence ofOzone layer 67The main culprit which is destroying the ozone layer isCFC gases 68The main green house gas isCarbon dioxide 69As one goes higher in the atmosphere,air pressureDecreases 70As per Daniel Bernoulli,whenever air moves,its pressureDrops 71The most common compound on earth isWater 72Life originally emerged fromWater 73About how many percent of the world's water is solidTwo 74Less than how many percent of the world's water is fresh waterThree 75The amount of water vapour in the atmosphere is known asHumidity
Famous Rivers, Lakes, Waterfalls: No.RiverCountryKM 01NileAfrica6690 02AmazonSouth America6570 03Mississippi MissouriU.S.A.6212 04IrtyshUSSR (now CIS)5570 05Yanglze-KiangChina5520 06Hwang HoChina4672 07MekongAsia4184 08NigerAfrica4168 09Murray DarlingAustralia3701 10VolgaUSSR (now CIS)3690 11DanubeEurope2848 12IndusAsia2736 13BrahmaputraAsia2704 No.LakesCountrySQ.KM 01Caspian SeaRussia-Iran393898 02Lake SuperiorUSA-Canada82814 03VictoriaKenya-Uganda-Tanzania69485 04Aral (salt)CIS (Previous USSR)68682 05MichiganUSA58016 06Great BearCanada31792 07BaikalCIS31492 08Lake OntarioUSA-Canada19529 09Eyre (salt)Australia9324 10Torrens (Salt)Australia5775 No.WaterfallsCountryHeight(Feet) 01AngelVenezuela2648 02KukenaamVenezuela2000 03RibbonUSA1612 04TugelaSouth Africa1350 05WollomombiAustralia1100 06GuariaBrazil470000 07NiagaraCanada212200 08VictoriaZimbabwe38430
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