The World Quiz - Question list
Science & Technology: 152 questions

 

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The percentage after each possible answer represent the answers given by people answering the test.
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Question 232: What does the first Moore's law state?
Author: K. - Category: Technology
Difficulty: 2/5 - Zone: United States

  • The number of transistors that can be fitted per square inch doubles every 18 month - 29% (1122)
  • The speed of microprocessors doubles every year - 15% (592)
  • The cost of a microprocessor is inversly proportional to the size of its market - 9% (336)
  • The energy needed by a processor is increased by half for every doubling of performance - 19% (727)
  • No answer picked: 28% (1100)
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    Question 233: Who first observed the moons of Jupiter?
    Author: K. - Category: History of Science
    Difficulty: 2/5 - Zone: Europe (Minus Russia)

  • Johannes Kepler - 13% (507)
  • Galileo - 48% (1861)
  • Eratosthenes - 4% (159)
  • Copernicus - 11% (417)
  • No answer picked: 23% (896)
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    Question 234: What top speed does a TGV (French high speed train) reach in commercial service?
    Author: K. - Category: Technology
    Difficulty: 4/5 - Zone: Europe (Minus Russia)

  • 220 km/h (137 miles/h) - 7% (246)
  • 250 km/h (155 miles/h) - 14% (473)
  • 300 km/h (186 miles/h) - 30% (1049)
  • 380 km/h (236 miles/h) - 12% (404)
  • No answer picked: 37% (1288)
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    Question 235: The Three Gorges Dam in China will be the world's biggest when complete. When did the construction start?
    Author: K. - Category: Technology
    Difficulty: 5/5 - Zone: Asia (except Middle-East)

  • 1991 - 14% (493)
  • 1994 - 17% (614)
  • 1997 - 21% (757)
  • 2001 - 10% (341)
  • No answer picked: 38% (1343)
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    Question 236: For research in what field did Paul C. Lauterbur and Sir Peter Mansfield win the Nobel prize of Medicine in 2003?
    Author: K. - Category: Technology
    Difficulty: 5/5 - Zone: World

  • Magnetic Resonance Imaging - 26% (906)
  • The study of AIDS - 11% (393)
  • The genetic causes of degenerative brain diseases - 16% (578)
  • The use of laser in open-heart surgery - 10% (350)
  • No answer picked: 37% (1309)
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    Question 237: If a car moving at a speed of 50 km/h has a kinetic energy of x, what kinetic energy will it have when moving at 100 km/h?
    Author: K. - Category: Science
    Difficulty: 3/5 - Zone: World

  • Still x - 9% (375)
  • Square root of two * x - 9% (362)
  • 2x - 28% (1128)
  • 4x - 28% (1106)
  • No answer picked: 25% (1007)
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    Question 238: What is the most massive planet in the Solar System?
    Author: K. - Category: General Astronomy
    Difficulty: 1/5 - Zone: World

  • Jupiter - 62% (2449)
  • Saturn - 6% (258)
  • Earth - 4% (150)
  • The Sun - 6% (243)
  • No answer picked: 22% (871)
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    Question 239: Roughtly how long ago did the Sun form?
    Author: K. - Category: Science
    Difficulty: 3/5 - Zone: World

  • One hundred and twenty million years ago - 8% (307)
  • One billion years ago - 9% (327)
  • Five billions years ago - 38% (1453)
  • Twelve billions years ago - 21% (785)
  • No answer picked: 25% (953)
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    Question 240: Of the following, which is the closest definition of a laser?
    Author: K. - Category: Technology
    Difficulty: 2/5 - Zone: World

  • A device that produces coherent light with a narrow range of wavelengths - 45% (1710)
  • A device that produces extremely intense light - 12% (446)
  • A device that projects electrons at high speed - 9% (338)
  • A device that polarize photons, propelling them by magnetic repulsion - 9% (331)
  • No answer picked: 26% (999)
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    Question 241: For what accomplishment did Einstein receive a Physic Nobel Prize?
    Author: K. - Category: History of Science
    Difficulty: 3/5 - Zone: Europe (Minus Russia)

  • The discovery of the Law of the Photoelectric Effect - 27% (1076)
  • The Theory of Special Relativity - 15% (591)
  • The Theory of General Relativity - 30% (1190)
  • The discovery of radio-activity - 4% (146)
  • No answer picked: 24% (923)
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    Question 242: What is a prion?
    Author: K. - Category: Science
    Difficulty: 2/5 - Zone: World

  • A neutrally-charged elementary particle - 23% (854)
  • A protein believed to be responsible for the Creutzfeld-Jakob disease - 31% (1164)
  • A GPS-controlled Chinese anti-aircraft missile - 5% (197)
  • A radio-active element used in certain atomic calculators - 13% (490)
  • No answer picked: 27% (1018)
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    Question 243: What scientific phenomenon is often (mistakenly) thought as having been first reported by Columbus?
    Author: K. - Category: History of Science
    Difficulty: 5/5 - Zone: Europe (Minus Russia)

  • The inversion of the sense of gyration of water emptying from a hole as one crosses the equator - 16% (560)
  • The difference between the geographic & magnetic North Poles - 23% (773)
  • The existence of Aurora Borealis above the ocean - 13% (440)
  • The increase in the sea's level near the equator, due to the increased centrifugal force - 12% (406)
  • No answer picked: 36% (1216)
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    Question 244: What is the number phi equal to?
    Author: K. - Category: Science
    Difficulty: 5/5 - Zone: World

  • sqrt(2)*pi/2 = 2.2214... - 13% (442)
  • (e^2-1)/4 = 1.5972... - 12% (417)
  • (1+sqrt(5))/2 = 1.6180... - 22% (777)
  • e^pi = 23.1407... - 14% (501)
  • No answer picked: 38% (1337)
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    Question 245: Which ancient people is generally (and somewhat controversially) credited with the invention of the zero?
    Author: K. - Category: History of Science
    Difficulty: 4/5 - Zone: Asia (except Middle-East)

  • The Indians - 38% (1332)
  • The Egyptians - 13% (474)
  • The Greeks - 10% (368)
  • The Chinese - 6% (230)
  • No answer picked: 32% (1140)
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    Question 246: How many pairs of chromosomes does a human usually have?
    Author: K. - Category: Science
    Difficulty: 3/5 - Zone: World

  • 18 - 9% (363)
  • 23 - 47% (1872)
  • 36 - 12% (480)
  • 46 - 10% (391)
  • No answer picked: 22% (879)
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    Question 247: Which physical law is behind the idea of a rocket engine?
    Author: K. - Category: Technology
    Difficulty: 1/5 - Zone: World

  • The law of gravity - 11% (462)
  • The action-reaction principle - 51% (2083)
  • The law on the conservation of energy - 10% (396)
  • The General Relativity - 4% (177)
  • No answer picked: 23% (938)
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    Question 248: What is the A380?
    Author: K. - Category: Technology
    Difficulty: 1/5 - Zone: Europe (Minus Russia)

  • The biggest civilian aircraft ever, built by Airbus - 50% (1973)
  • The code name for AMD's next-generation laptop chips - 7% (275)
  • The model of the rocket used by China to send its first astronaut in space - 9% (362)
  • A supersonic military transport aircraft being developed by Boing - 7% (282)
  • No answer picked: 26% (1016)
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    Question 249: What particularity of Europa is of particular interest to scientists?
    Author: K. - Category: General Astronomy
    Difficulty: 3/5 - Zone: World

  • It is believed to be the last remain of a planet having collided with Jupiter - 7% (253)
  • Its atmosphere is very rich in oxygen - 10% (386)
  • Rocks covering its surface might date from the beginning of the Solar System - 9% (355)
  • There is a remote possibility that its ice-covered oceans might harbor life - 46% (1772)
  • No answer picked: 28% (1092)
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    Question 250: What is approximatively the circumference of the Earth?
    Author: K. - Category: Science
    Difficulty: 1/5 - Zone: World

  • 12000 km (7458 miles) - 6% (255)
  • 26000 km (16159 miles) - 15% (585)
  • 40000 km (24860 miles) - 39% (1532)
  • 63000 km (39154 miles) - 16% (628)
  • No answer picked: 24% (972)
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    Question 251: What is the most abundant gas in the atmosphere?
    Author: K. - Category: Science
    Difficulty: 1/5 - Zone: World

  • (di)Nitrogen - 58% (2266)
  • (di)Oxygen - 9% (347)
  • Water Vapor - 3% (131)
  • Carbon Dioxide - 9% (345)
  • No answer picked: 21% (842)
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    Question 252: What is El Nino?
    Author: K. - Category: Science
    Difficulty: 1/5 - Zone: World

  • The surname given to Ventura Reyes Prósper - 3% (122)
  • A major warming of the equatorial waters in the Pacific Ocean - 53% (2093)
  • A particularly damaging type of hurricane - 13% (500)
  • The nine forms the Ebola disease can take - 4% (150)
  • No answer picked: 27% (1061)
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    Question 260: How was the NASA probe Climate Orbiter lost in 1999?
    Author: K. - Category: Technology
    Difficulty: 4/5 - Zone: United States

  • Bad insulation exposed the electronic circuit to extreme heat, fatally damaging it - 10% (353)
  • A typing mistake when entering coordinates caused it to miss the red planet - 9% (314)
  • A mixup between Imperial and Metric units in navigation data caused it to approach too near to Mars - 32% (1126)
  • The probe stopped responding for an unknown reason while it was already in orbit - 12% (404)
  • No answer picked: 37% (1292)
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    Question 264: In the English system of measurement, what was the original value of a yard? (it is now 36 inches)
    Author: SeleucusNicator - Category: History of Science
    Difficulty: 2/5 - Zone: Europe (Minus Russia)

  • the distance between the king's nose and thumb if he stuck his arm out at a right angle with his thumb pointed up - 36% (1329)
  • the distance between the front and back legs of the finest horse in the king's stables - 13% (484)
  • the longest distance the king could cover in one stride - 18% (672)
  • the distance the king could throw a specific weighted ball called the Canterbury Sphere - 5% (191)
  • No answer picked: 27% (998)
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    Question 266: Who is the only person to hold a patent on a chemical element?
    Author: SeleucusNicator - Category: Science
    Difficulty: 4/5 - Zone: United States

  • Glenn T. Seaborg - 19% (654)
  • Marie Curie - 28% (958)
  • Enrico Fermi - 11% (381)
  • Albert Ghiorso - 7% (245)
  • No answer picked: 35% (1181)
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    Question 270: The pH scale measures...
    Author: Nabeel Bhaiwala - Category: Science
    Difficulty: 4/5 - Zone: World

  • The concentration of hydronium ions. - 25% (880)
  • The inverse concentration of hydronium ions. - 23% (814)
  • The level of molecular activity - 8% (263)
  • The concentration of NH- ions - 10% (352)
  • No answer picked: 33% (1157)
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    Question 272: Of the following, who did NOT take part in the development of the first steam engines?
    Author: K. - Category: History of Technology
    Difficulty: 5/5 - Zone: Europe (Minus Russia)

  • James Watt - 12% (408)
  • Thomas Newcomen - 13% (439)
  • Thomas Savery - 19% (638)
  • James Hargreaves - 19% (647)
  • No answer picked: 37% (1253)
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    Question 273: Who allegedly invented a mechanism where a pipe fitted in spiral inside a tube will raise water or grain when turned?
    Author: K. - Category: History of Technology
    Difficulty: 3/5 - Zone: Europe (Minus Russia)

  • William Gilbert - 8% (269)
  • William Bickford - 11% (405)
  • Ctesibius - 5% (183)
  • Archimedes - 49% (1740)
  • No answer picked: 27% (970)
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    Question 274: What is the speed of light?
    Author: Aphex - Category: Science
    Difficulty: 3/5 - Zone: World

  • 3 x 10^8 m/s - 43% (1634)
  • 3 x 10^9 m/s - 15% (585)
  • 3 x 10^10 m/s - 10% (395)
  • 3 x 10^11 m/s - 8% (290)
  • No answer picked: 24% (906)
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    Question 275: Which of these is not a moon of Uranus?
    Author: Aphex - Category: General Astronomy
    Difficulty: 3/5 - Zone: World

  • Oberon - 9% (346)
  • Ariel - 12% (462)
  • Umbriel - 13% (507)
  • Titan - 41% (1552)
  • No answer picked: 25% (956)
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    Question 276: What are the 4 Galilean Satellites?
    Author: Aphex - Category: General Astronomy
    Difficulty: 2/5 - Zone: World

  • Ganymede, Callisto, Titania, Ophelia - 13% (490)
  • Io, Europa, Phobos, Deimos - 16% (578)
  • Io, Europa, Ganymede, Callisto - 36% (1333)
  • Mimas, Enceladus, Ganymede, Deimos - 7% (255)
  • No answer picked: 28% (1031)
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    Question 277: What is the biggest asteroid in the asteroid belt between the orbits of Mars and Jupiter?
    Author: Aphex - Category: General Astronomy
    Difficulty: 4/5 - Zone: World

  • Eros - 14% (480)
  • Ceres - 34% (1130)
  • Vesta - 11% (371)
  • Pallas - 5% (169)
  • No answer picked: 36% (1217)
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    Question 278: How far away from is the Earth from the Sun (on average) ?
    Author: Aphex - Category: General Astronomy
    Difficulty: 5/5 - Zone: World

  • 1.5 x 10^8 km (9.32 x 10^7 miles) - 33% (1075)
  • 1.3 x 10^7 km (8.08 x 10^6 miles) - 12% (400)
  • 1.8 x 10^10 km (1.12 x 10^10 miles) - 15% (492)
  • 1.2 x 10^7 km (7.46 x 10^6 miles) - 4% (143)
  • No answer picked: 36% (1181)
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    Question 279: What is the other giant spiral galaxy of the Local Group, along with the Milky Way?
    Author: Aphex - Category: General Astronomy
    Difficulty: 4/5 - Zone: World

  • Athena - 5% (174)
  • Eurypides - 6% (219)
  • Andromeda - 48% (1691)
  • Clytemnestra - 4% (157)
  • No answer picked: 36% (1285)
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    Question 280: What is the name of the largest known cellestial body belonging to the Solar system that lies beyond the orbit of Pluto?
    Author: Aphex - Category: General Astronomy
    Difficulty: 5/5 - Zone: World

  • Deucalion - 13% (439)
  • Quaoar - 20% (688)
  • Varuna - 16% (548)
  • Chaos - 14% (463)
  • No answer picked: 37% (1233)
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    Question 281: What is the name of Pluto's satellite?
    Author: Aphex - Category: General Astronomy
    Difficulty: 3/5 - Zone: World

  • Centaur - 5% (175)
  • Charon - 38% (1442)
  • Chronos - 7% (263)
  • Pluto does not have a satelite - 27% (1048)
  • No answer picked: 23% (887)
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    Question 282: We say a planet is in ________ when that planet is furthest away from the sun.
    Author: Aphex - Category: Pure Astronomy
    Difficulty: 5/5 - Zone: World

  • Perihelion - 21% (723)
  • Aphelion - 27% (941)
  • Apoapsis - 8% (279)
  • Periapsis - 8% (269)
  • No answer picked: 37% (1297)
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    Question 283: How many planets can be seen with normal 20/20 vision, unaided by telescopes, and unhindered by light polution?
    Author: Aphex - Category: Pure Astronomy
    Difficulty: 5/5 - Zone: World

  • 6 - 41% (1417)
  • 7 - 15% (512)
  • 9 - 5% (187)
  • 8 - 6% (196)
  • No answer picked: 33% (1159)
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    Question 284: Which of these is heavier ?
    Author: Aphex - Category: Pure Astronomy
    Difficulty: 3/5 - Zone: World

  • A brown dwarf - 14% (523)
  • A white dwarf - 32% (1199)
  • Jupiter - 18% (687)
  • All the solar planets put together, except for Jupiter - 12% (446)
  • No answer picked: 24% (907)
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    Question 291: What is the greatest number of electrons that can fit into the first electron shell (also called an energy level)?
    Author: Nabeel Bhaiwala - Category: Science
    Difficulty: 5/5 - Zone: World

  • 2 - 49% (1677)
  • 3 - 6% (214)
  • 6 - 7% (245)
  • 10 - 4% (122)
  • No answer picked: 35% (1196)
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    Question 297: What is the collective name for the asteroids that are co-orbital with Jupiter?
    Author: SeleucusNicator - Category: Pure Astronomy
    Difficulty: 4/5 - Zone: World

  • the Trojans - 25% (837)
  • the Achaens - 12% (415)
  • the Jovenalians - 21% (705)
  • the Lagrangins - 6% (212)
  • No answer picked: 36% (1232)
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    Question 298: What is the process by which a eukaryotic cell divides into two new cells?
    Author: SeleucusNicator - Category: Science
    Difficulty: 5/5 - Zone: World

  • citesism - 9% (306)
  • meiosis - 28% (944)
  • cytokinesis - 17% (589)
  • fission - 10% (344)
  • No answer picked: 35% (1193)
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    Question 299: What are the craters on Venus named after?
    Author: SeleucusNicator - Category: Pure Astronomy
    Difficulty: 4/5 - Zone: World

  • Roman mythological figures - 25% (851)
  • Astronomers - 10% (347)
  • The home towns of astronomers - 7% (251)
  • Famous women - 22% (768)
  • No answer picked: 35% (1199)
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    Question 315: What is the unit of energy?
    Author: col - Category: Science
    Difficulty: 1/5 - Zone: World

  • Newton - 8% (328)
  • Einstein - 1% (55)
  • Joule - 55% (2172)
  • Watt - 12% (481)
  • No answer picked: 22% (879)
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    Question 316: Who developed the laws of electromagnetic induction?
    Author: col - Category: History of Science
    Difficulty: 3/5 - Zone: Europe (Minus Russia)

  • Ohm - 15% (551)
  • Volta - 10% (390)
  • Faraday - 42% (1562)
  • Ampere - 10% (355)
  • No answer picked: 23% (860)
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    Question 318: What is the quark combination in a proton?
    Author: col - Category: Science
    Difficulty: 5/5 - Zone: World

  • uud - 27% (929)
  • udd - 17% (564)
  • usd - 13% (427)
  • ssd - 7% (224)
  • No answer picked: 37% (1261)
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    Question 319: Refraction is due to:
    Author: col - Category: Science
    Difficulty: 3/5 - Zone: World

  • Light changing frequency - 20% (716)
  • Light changing speed - 32% (1169)
  • Light changing brightness - 5% (198)
  • Light changing phase - 18% (652)
  • No answer picked: 25% (925)
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    Question 320: Which of the following is not a formula for energy?
    Author: funxus - Category: Science
    Difficulty: 4/5 - Zone: World

  • (mv²)/2 (where m is mass, and v is speed) - 7% (249)
  • hf (where h is Planck's constant, and f is frequency) - 19% (628)
  • ma (where m is mass, and a is acceleration) - 35% (1165)
  • mc² (where m is mass, and c is the speed of light) - 5% (162)
  • No answer picked: 34% (1119)
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    Question 385: Of the following animals, which is the most closely related to humans from an evolutionary point of view?
    Author: SeleucusNicator - Category: Science
    Difficulty: 5/5 - Zone: World

  • Cuttlefish - 20% (688)
  • Sea Anemones - 14% (466)
  • Starfish - 18% (602)
  • Ants - 13% (424)
  • No answer picked: 35% (1196)
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    Question 399: What was the diametre of the biggest Kamtchatka crab found?
    Author: K. - Category: Science
    Difficulty: 4/5 - Zone: World

  • 56 cm (22 inches) - 7% (242)
  • 105 cm (42 inches) - 19% (619)
  • 180 cm (72 inches) - 27% (879)
  • 356 cm (140 inches) - 7% (244)
  • No answer picked: 39% (1272)
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    Question 400: If a phenomenom has a periodicity of 6 miliseconds, it has a frequency of:
    Author: K. - Category: Science
    Difficulty: 1/5 - Zone: World

  • 600 mhz - 23% (879)
  • 6 hz - 15% (582)
  • 1.66 hz - 10% (380)
  • 166 hz - 24% (932)
  • No answer picked: 27% (1044)
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    Question 401: How was the length of a meter originally defined?
    Author: K. - Category: History of Science
    Difficulty: 3/5 - Zone: Europe (Minus Russia)

  • As 0.5 French Royal Yards - 13% (485)
  • As the distance sound travels in 1/100th of a second - 15% (561)
  • As the length of a specially made rod of arbitrary length - 23% (890)
  • As one ten-millioneth of the distance between the pole and the equator - 23% (878)
  • No answer picked: 26% (985)
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    Question 411: What model of rocket is shown below?
    Author: K. - Category: Technology
    Difficulty: 4/5 - Zone: Europe (Minus Russia) - picture

  • An Ariane IV - 10% (337)
  • An Ariane V - 19% (607)
  • A Delta IV - 18% (585)
  • A Proton (three-stages model) - 14% (465)
  • No answer picked: 39% (1259)
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    Question 431: What molecule is shown below, in the standard colors for atoms?
    Author: K. - Category: Science
    Difficulty: 2/5 - Zone: World - picture

  • Carbon Dioxyde - 16% (603)
  • Water - 48% (1792)
  • Di-Oxygen - 4% (162)
  • Nitrogen Dioxyde - 8% (279)
  • No answer picked: 24% (881)
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    Question 452: The mammal pictured below has a number of nearly-unique characteristics for a mammal. Which of the following is NOT one of them?
    Author: K. - Category: Science
    Difficulty: 4/5 - Zone: Others - picture

  • It has venomous spurs - 15% (527)
  • It lay eggs - 16% (547)
  • It can detect the body electricity of its preys - 13% (456)
  • It is deaf from birth - 22% (745)
  • No answer picked: 34% (1173)
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    Question 457: What element has "H" for symbol?
    Author: Stephane - Category: Science
    Difficulty: 1/5 - Zone: World

  • Helium - 6% (226)
  • Hydroxide - 3% (125)
  • Hydrogen - 68% (2657)
  • Hafnium - 1% (46)
  • No answer picked: 22% (841)
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    Question 461: Given the following standard phase diagram (temperature vs pressure) of compound y, what phase or phases of matter are present at point x?
    Author: SeleucusNicator - Category: Science
    Difficulty: 4/5 - Zone: World - picture

  • gas only - 12% (379)
  • liquid and solid - 13% (427)
  • liquid and gas - 29% (929)
  • liquid only - 8% (259)
  • No answer picked: 38% (1223)
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    Question 462: How do organisms use Adenosine Triphosphate?
    Author: SeleucusNicator - Category: Science
    Difficulty: 5/5 - Zone: World

  • as a digestive enzyme - 12% (378)
  • as an energy carrier - 39% (1271)
  • to maintain cell membrane integrity - 10% (335)
  • as a competitive inhibitor - 3% (104)
  • No answer picked: 36% (1193)
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    Question 464: What is a perfect number?
    Author: ShiplordAtvar - Category: Science
    Difficulty: 5/5 - Zone: World

  • A number such that the sum of its factors, excluding itself, is greater than itself - 7% (245)
  • A number such that its only divisors are 1 and itself - 12% (393)
  • A number such that the sum of its factors, excluding itself, equals itself - 34% (1137)
  • A number such that it cannot be expressed as the ratio of two integers - 8% (267)
  • No answer picked: 39% (1291)
    [edit (admin only)] [submit comment]

    Question 539: Who is credited with the wave theory of light?
    Author: w_mullender - Category: History of Science
    Difficulty: 4/5 - Zone: World

  • Newton - 13% (419)
  • Leibniz - 8% (263)
  • Huygens - 24% (785)
  • Maxwell - 20% (670)
  • No answer picked: 35% (1167)
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    Question 545: Who was the first to propose the uncertainty principle, which is vital to quantum mechanics?
    Author: w_mullender - Category: History of Science
    Difficulty: 4/5 - Zone: World

  • De Broglie - 6% (195)
  • Heisenberg - 40% (1317)
  • Bohr - 11% (354)
  • Einstein - 9% (284)
  • No answer picked: 35% (1141)
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    Question 546: Who created the periodic table of the elements?
    Author: w_mullender - Category: History of Science
    Difficulty: 3/5 - Zone: World

  • Mendeleyev - 49% (1851)
  • Avogadro - 8% (308)
  • Dalton - 14% (546)
  • Bertholet - 5% (187)
  • No answer picked: 24% (907)
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    Question 547: Which of the following is not credited to the Chinese?
    Author: w_mullender - Category: History of Science
    Difficulty: 4/5 - Zone: World

  • The invention of rockets - 11% (365)
  • The discovery of magnetic attraction - 9% (295)
  • The discovery of electric attraction - 23% (741)
  • The calculation of pi to the fifth decimal - 21% (688)
  • No answer picked: 36% (1151)
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    Question 599: Truth and beauty were the names of two sorts of quarks, what were the other four?
    Author: Johann Bryant - Category: Science
    Difficulty: 4/5 - Zone: World

  • up, down, left and right - 7% (226)
  • strange, charm, up and down - 29% (926)
  • top, bottom, left and right - 5% (153)
  • love, faith, spirit and soul - 19% (606)
  • No answer picked: 40% (1281)
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    Question 600: Who sponsored the most widely adopted school computer in the UK in the early 1980's?
    Author: Johann Bryant - Category: History of Technology
    Difficulty: 5/5 - Zone: Europe (Minus Russia)

  • Acorn - 10% (335)
  • Apple - 20% (629)
  • International Business Machines - 16% (513)
  • British Broadcasting Corporation - 15% (475)
  • No answer picked: 39% (1258)
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    Question 601: What does the acronym ASCII stand for?
    Author: Johann Bryant - Category: Technology
    Difficulty: 3/5 - Zone: World

  • American Standard Coding for International Interchange - 9% (292)
  • Automated Standard Coding for Information Interchange - 16% (499)
  • American Standard Code for Information Interchange - 37% (1184)
  • Automated Standard Code for International Interchange - 9% (278)
  • No answer picked: 30% (949)
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    Question 608: Which of the decimal number below corresponds to the binary number 00101010?
    Author: Rich Hill - Category: Technology
    Difficulty: 3/5 - Zone: World

  • 3 - 11% (355)
  • 68 - 10% (327)
  • 42 - 32% (1006)
  • 101,010 - 16% (510)
  • No answer picked: 31% (985)
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    Question 609: Euclid's 'The Elements' is a book about what?
    Author: Derrick Pallas - Category: History of Science
    Difficulty: 3/5 - Zone: Europe (Minus Russia)

  • Earth, Water, Wind, Fire - 23% (729)
  • Geometry and Reasoning - 28% (881)
  • Atomic Structure and Properties - 13% (417)
  • The Scientific Method - 4% (138)
  • No answer picked: 31% (957)
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    Question 611: What is a micro-kernel?
    Author: Derrick Pallas - Category: Technology
    Difficulty: 3/5 - Zone: World

  • A new breed of genetically engineered corn - 9% (272)
  • A computer operating system that provides a minimal set of services - 37% (1142)
  • A theory in fundamental particle physics involving immutable laws - 14% (418)
  • A philosophical premise that says that one should have as few axioms or assumptions as possible - 6% (193)
  • No answer picked: 34% (1064)
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    Question 612: During WW2, the British created a machine called Colossus to break the German Fish cypher. Who was not involved in the project?
    Author: Derrick Pallas - Category: History of Technology
    Difficulty: 5/5 - Zone: Europe (Minus Russia)

  • Albert Small - 9% (263)
  • Max Newman - 14% (433)
  • Alan Turing - 20% (622)
  • Tommy Flowers - 14% (430)
  • No answer picked: 43% (1332)
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    Question 628: From which country is Linus Torvalds, writer of the Linux kernel?
    Author: Johann Bryant - Category: Technology
    Difficulty: 2/5 - Zone: Europe (Minus Russia)

  • Finland - 28% (821)
  • Sweden - 28% (828)
  • United Kingdom - 8% (231)
  • United States - 5% (140)
  • No answer picked: 31% (913)
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    Question 630: Which of these standards is not used for connecting daughter boards to computers' mother board?
    Author: Johann Bryant - Category: Technology
    Difficulty: 4/5 - Zone: World

  • VESA - 16% (477)
  • ISA - 13% (376)
  • PCI - 13% (389)
  • DMA - 16% (479)
  • No answer picked: 42% (1267)
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    Question 631: Which is not a computer graphics file standard?
    Author: Johann Bryant - Category: Technology
    Difficulty: 3/5 - Zone: World

  • Joint Photographic Experts Group - 12% (361)
  • Graphics Interchange Format - 7% (205)
  • Pictorial Binary Encoded Material - 41% (1253)
  • Tagged Image File Format - 9% (258)
  • No answer picked: 31% (953)
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    Question 633: Who owns the trademark C(ompact) D(isc)?
    Author: Johann Bryant - Category: History of Technology
    Difficulty: 3/5 - Zone: World

  • Sony - 36% (1084)
  • Philips - 18% (539)
  • Toshiba - 5% (135)
  • Microsoft - 14% (416)
  • No answer picked: 27% (810)
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    Question 634: Which of the following companies has not developed an 'Office suite' of programs for the Windows OS?
    Author: Johann Bryant - Category: Technology
    Difficulty: 2/5 - Zone: World

  • Lotus - 14% (417)
  • Microsoft - 11% (339)
  • Corel - 16% (469)
  • Oracle - 27% (804)
  • No answer picked: 32% (939)
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    Question 636: Which computer language was originally not interpreted?
    Author: Johann Bryant - Category: Technology
    Difficulty: 4/5 - Zone: World

  • Perl - 9% (278)
  • Python - 14% (452)
  • C - 24% (753)
  • Basic - 15% (461)
  • No answer picked: 38% (1206)
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    Question 638: Which of these is a self propagating, self replicating computer program?
    Author: Johann Bryant - Category: Technology
    Difficulty: 3/5 - Zone: World

  • Virus - 35% (1085)
  • Worm - 21% (650)
  • Trojan - 12% (369)
  • Backdoor - 2% (77)
  • No answer picked: 29% (910)
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    Question 670: Who was the only US Astronaut to fly aboard Gemini, Apollo and the STS (Shuttle), including two maiden flights?
    Author: David Bryant - Category: History of Science
    Difficulty: 5/5 - Zone: United States

  • Neil Armstrong - 19% (567)
  • Wally Schirra - 8% (231)
  • John Young - 22% (648)
  • Eugene Cernan - 9% (274)
  • No answer picked: 41% (1216)
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    Question 671: Chondrites, carbonaceous chondrites, ataxites and hexahedrites are all types of what?
    Author: David Bryant - Category: General Astronomy
    Difficulty: 3/5 - Zone: World

  • asteroid - 14% (397)
  • planetary core - 8% (230)
  • dust nebulae - 15% (430)
  • meteorites - 29% (820)
  • No answer picked: 34% (972)
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    Question 672: Which of these was NOT the name of a US Spacecraft?
    Author: David Bryant - Category: History of Technology
    Difficulty: 3/5 - Zone: World

  • Glamorous Glennis - 26% (743)
  • Molly Brown - 22% (628)
  • Sigma 7 - 13% (364)
  • Aurora 7 - 8% (231)
  • No answer picked: 32% (945)
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    Question 673: Which Space mission was described by James Lovell and Neil Armstrong as 'The most significant in the history of US spaceflight'?
    Author: David Bryant - Category: History of Technology
    Difficulty: 5/5 - Zone: World

  • Apollo 13 - 25% (731)
  • Apollo 8 - 23% (691)
  • Apollo 14 - 7% (202)
  • Gemini 4 - 7% (213)
  • No answer picked: 38% (1142)
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    Question 674: Who discovered Charon, the satellite of Pluto?
    Author: David Bryant - Category: General Astronomy
    Difficulty: 3/5 - Zone: World

  • Percival Lowell - 17% (490)
  • James Christy - 19% (539)
  • Clyde Tombaugh - 16% (446)
  • James van Allen - 14% (411)
  • No answer picked: 34% (966)
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    Question 675: What potential source of danger to space travellers was discovered by this Scientist?
    Author: David Bryant - Category: History of Science
    Difficulty: 4/5 - Zone: World - picture

  • Micrometeorites between the Moon and Earth - 9% (265)
  • A torus of energetic charged particles trapped by the Earth's magnetic field - 22% (632)
  • Deep dust fields in some lunar maria - 7% (190)
  • The solar wind - 18% (508)
  • No answer picked: 43% (1220)
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    Question 676: What has been found to be special about the star BPM 37093 in Centaurus?
    Author: - Category: General Astronomy
    Difficulty: 5/5 - Zone: World

  • It is the densest White Dwarf yet discovered - 14% (403)
  • It has a core of solid diamond - 19% (565)
  • It is currently the closest star to the Earth (apart from the Sun!) - 12% (336)
  • It has been shown to possess a planetary system - 11% (330)
  • No answer picked: 44% (1276)
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    Question 677: Which British Astronomer has a Lunar crater named after him?
    Author: - Category: General Astronomy
    Difficulty: 5/5 - Zone: World

  • Sir Bernard Lovell - 16% (462)
  • Henry Brinton - 10% (287)
  • Sir Fred Hoyle - 16% (468)
  • Sir Patrick Moore - 17% (491)
  • No answer picked: 42% (1229)
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    Question 678: Sikhote-Alin is a well-known name to Space enthusiasts. But who or what was he/ she / it?
    Author: David Bryant - Category: General Astronomy
    Difficulty: 4/5 - Zone: World

  • An iron meteorite that exploded over Russia in 1947 - 17% (494)
  • A Russian space scientist, who designed the Buran space shuttle - 13% (391)
  • A pair of colliding galaxies in the constellation of Cepheus - 16% (454)
  • The location of Russia's largest terrestrial telescope - 10% (280)
  • No answer picked: 44% (1284)
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    Question 679: Which famous Astronomer had a gold prosthetic nose, having lost the real one in a duel?
    Author: David Bryant - Category: History of Science
    Difficulty: 4/5 - Zone: World

  • William Herschel - 12% (367)
  • Galileo - 10% (292)
  • Nicolas Copernicus - 15% (459)
  • Tycho Brahe - 21% (628)
  • No answer picked: 41% (1222)
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    Question 681: Which of these aircraft designers was responsible for the Hawker Hurricane fighter plane?
    Author: David Bryant - Category: History of Technology
    Difficulty: 4/5 - Zone: World

  • Sir Frank Whittle - 12% (372)
  • Reginald J Mitchell - 15% (461)
  • Sir Sidney Camm - 16% (482)
  • Sir Barnes Wallace - 11% (322)
  • No answer picked: 45% (1348)
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    Question 684: Which of the following are all leptons?
    Author: Mark Fischler - Category: Science
    Difficulty: 4/5 - Zone: World

  • electron, positron, photon - 11% (301)
  • proton, deuteron, neutron - 10% (276)
  • tau, muon, electron - 22% (619)
  • electron, proton, neutron - 14% (414)
  • No answer picked: 44% (1249)
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    Question 694: Which mathematician would you associate with the famous 'Last Theorem' in Number Theory ?
    Author: Sangram Raje - Category: Science
    Difficulty: 3/5 - Zone: Others

  • Leonard Euler - 11% (314)
  • Pythagoras - 23% (645)
  • Pierre de Fermat - 24% (675)
  • Euclid - 10% (275)
  • No answer picked: 31% (867)
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    Question 774: What is the sun expected to become at the end of its life?
    Author: Andrew Somvilaysack - Category: Science
    Difficulty: 3/5 - Zone: Others

  • A black dwarf - 20% (545)
  • A white dwarf - 29% (766)
  • A red dwarf - 19% (508)
  • A yellow dwarf - 4% (109)
  • No answer picked: 28% (753)
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    Question 907: What bridge shook itself to destruction leading to the new science of wind engineering?
    Author: Cara - Category: History of Technology
    Difficulty: 4/5 - Zone: United States

  • Tacoma Narrows Bridge - 26% (666)
  • Causey Gap Bridge - 12% (310)
  • Sunshine Skyway - 12% (299)
  • Phillipe Ridge Causeway - 8% (192)
  • No answer picked: 42% (1068)
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    Question 908: Richard Feynman is a famous:
    Author: Cara - Category: Science
    Difficulty: 3/5 - Zone: World

  • Chemist - 12% (304)
  • Bioligist - 12% (307)
  • Physicist - 33% (816)
  • Engineer - 9% (222)
  • No answer picked: 33% (817)
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    Question 909: Who discovered and capitalized alternating current?
    Author: Cara - Category: Science
    Difficulty: 4/5 - Zone: World

  • Edison - 13% (336)
  • Tesla - 33% (868)
  • Maxwell - 13% (333)
  • Einstien - 3% (75)
  • No answer picked: 39% (1024)
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    Question 927: What are the four fundamental interactions between particles?
    Author: RCSC - Category: Science
    Difficulty: 4/5 - Zone: World

  • Electromagnetic, kinetic, potential, nuclear - 12% (309)
  • Electromagnetic, nuclear (strong), nuclear (weak), gravity - 30% (774)
  • Magnetic, ionic, elecric, gravity - 12% (317)
  • Gravity, nuclear (strong), nuclear (weak), ionic, magnetic - 6% (165)
  • No answer picked: 39% (1001)
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    Question 928: What are currently the two ways to achieve temperature and pressure required to initiate nuclear fusion?
    Author: RCSC - Category: Science
    Difficulty: 3/5 - Zone: World

  • Gravity, magnetic confinement - 11% (241)
  • Electromagnetic confinement, electrical confinement - 17% (387)
  • Magnetic confinement, Inertial confinement - 15% (344)
  • Nuclear fission, gravity - 24% (550)
  • No answer picked: 33% (735)
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    Question 931: Which extra solar planet is currently known as orbiting a brown dwarf?
    Author: RCSC - Category: General Astronomy
    Difficulty: 4/5 - Zone: World

  • HD 224693B - 13% (316)
  • Gliese 777 AC - 19% (457)
  • 2M1207B - 17% (404)
  • 55 Cancri AE - 7% (165)
  • No answer picked: 44% (1045)
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    Question 960: How many dwarf planets are currently recognised by the International Astronomical Union in our solar system?
    Author: Johann Bryant - Category: General Astronomy
    Difficulty: 3/5 - Zone: World

  • 0 - 13% (282)
  • 2 - 26% (569)
  • 4 - 18% (404)
  • 5 - 13% (279)
  • No answer picked: 31% (690)
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    Question 962: What does 'SAS' stand for (when related to computer hard disks)?
    Author: Johann Bryant - Category: Technology
    Difficulty: 4/5 - Zone: World

  • Serial Attached SCSI - 15% (373)
  • Server Attached SATA - 18% (432)
  • Serial Attached SATA - 19% (463)
  • SCSI Attached SATA - 6% (143)
  • No answer picked: 42% (1006)
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    Question 966: What does EPROM stand for (in relation to computers)?
    Author: Johann Bryant - Category: Technology
    Difficulty: 4/5 - Zone: World

  • Erasable Programmable Real On-core Memory - 7% (167)
  • Erasable Programmable Read Only Memory - 41% (983)
  • Easily Programmable Real On-core Memory - 6% (154)
  • Easily Programmable Read Once Memory - 5% (108)
  • No answer picked: 41% (966)
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    Question 971: To which country does the .ie domain suffix belong?
    Author: Johann Bryant - Category: Technology
    Difficulty: 2/5 - Zone: World

  • India - 11% (234)
  • Indonesia - 19% (412)
  • Eire - 23% (503)
  • Israel - 16% (350)
  • No answer picked: 32% (713)
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    Question 1125: What is a Lagrange point?
    Author: Bill Donovan - Category: Technology
    Difficulty: 4/5 - Zone: World

  • An orbital spot where a small object will remain stationary with respect to two large gravitational objects - 27% (533)
  • The vertical angle at which a spinning object will become unstable and fall over - 12% (235)
  • A sharp-pointed fulcrum where the slope from the point is equal in all directions - 11% (212)
  • The temperature for a liquid at which no amount of pressure will prevent boiling - 9% (182)
  • No answer picked: 41% (820)
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    Question 1136: What are the four bases found in deoxyribonucleic acid (DNA)?
    Author: Bill Donovan - Category: Science
    Difficulty: 3/5 - Zone: World

  • oxygen, phosphate, ribose, cytosine - 8% (125)
  • purine, pyrimadine, ribose, uracil - 5% (78)
  • guanine, cytosine, adenine, thymine - 38% (574)
  • ribose, oxygen, nucleic acid, phosphate - 19% (290)
  • No answer picked: 29% (445)
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    Question 1138: In the name of the disc type, what does CD stand for?
    Author: Bill Donovan - Category: Technology
    Difficulty: 1/5 - Zone: World

  • compressed disk format - 2% (30)
  • computer disk - 3% (45)
  • compressed data - 2% (38)
  • compact disc - 67% (1017)
  • No answer picked: 26% (395)
    [edit (admin only)] [submit comment]

    Question 1140: What is one difference between RNA and DNA?
    Author: Bill Donovan - Category: Science
    Difficulty: 4/5 - Zone: World

  • DNA has two strands while RNA contains three strands. - 12% (221)
  • RNA uses uracil as a base instead of thymine. - 30% (548)
  • In RNA, the pattern of nucleotides is in reverse order. - 8% (153)
  • RNA is only found in cell walls or membranes. - 11% (205)
  • No answer picked: 38% (689)
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    Question 1141: Which is not one of the six classical simple machines?
    Author: Bill Donovan - Category: Technology
    Difficulty: 4/5 - Zone: World

  • lever - 6% (101)
  • hinge - 29% (525)
  • wedge - 12% (212)
  • screw - 16% (285)
  • No answer picked: 38% (676)
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    Question 1142: Which one has explored the Mariana Trench, the deepest spot in the ocean?
    Author: Bill Donovan - Category: History of Technology
    Difficulty: 4/5 - Zone: World

  • Jean Luc - 7% (118)
  • Jacques Piccard - 23% (401)
  • Jules Verne - 11% (190)
  • Jacques Cousteau - 19% (330)
  • No answer picked: 41% (727)
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    Question 1143: According to the Nyquist-Shannon theory:
    Author: Bill Donovan - Category: Technology
    Difficulty: 4/5 - Zone: World

  • to double an amplifier's loudness, you must quadruple the power supplied - 10% (175)
  • doubling the density of a medium halves the speed of sound through that medium - 17% (296)
  • to capture a signal, the sample frequency must be at least double the signal frequency - 22% (402)
  • any telephone or telegraph system based on wires requires at least two of them - 6% (114)
  • No answer picked: 45% (801)
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    Question 1144: Which of these is a star?
    Author: Bill Donovan - Category: General Astronomy
    Difficulty: 2/5 - Zone: World

  • Andromeda - 14% (195)
  • Antares - 24% (339)
  • Ceres - 18% (260)
  • Orion - 16% (233)
  • No answer picked: 28% (393)
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    Question 1145: Which of these is an example of an extremophile?
    Author: Bill Donovan - Category: Science
    Difficulty: 5/5 - Zone: World

  • Elephas maximus - 12% (216)
  • Sequoiadendron giganteum - 11% (196)
  • Architeuthis martensi - 10% (186)
  • Bacillus infernus - 23% (402)
  • No answer picked: 44% (780)
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    Question 1146: How many more times heavier is the Sun than the Earth?
    Author: Bill Donovan - Category: General Astronomy
    Difficulty: 3/5 - Zone: World

  • 35 - 3% (48)
  • 3500 - 8% (116)
  • 350,000 - 33% (480)
  • 35,000,000 - 28% (402)
  • No answer picked: 27% (390)
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    Question 1147: Brass is an alloy of which two metals?
    Author: Bill Donovan - Category: Technology
    Difficulty: 2/5 - Zone: World

  • gold and copper - 6% (92)
  • gold and tin - 3% (47)
  • copper and tin - 29% (412)
  • copper and zinc - 31% (439)
  • No answer picked: 31% (438)
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    Question 1149: Neanderthals are named for the place where their bones were discovered, which was a:
    Author: Bill Donovan - Category: History of Science
    Difficulty: 2/5 - Zone: Europe (Minus Russia)

  • river bed - 10% (145)
  • cave - 27% (377)
  • mountain top - 12% (173)
  • valley - 21% (296)
  • No answer picked: 30% (423)
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    Question 1260: Which element was named after the country 'Cyprus'?
    Author: Rudradeep Mukherjee - Category: Science
    Difficulty: 4/5 - Zone: Europe (Minus Russia)

  • Copper - 32% (568)
  • Chlorine - 6% (99)
  • Cerium - 20% (353)
  • Cobalt - 6% (111)
  • No answer picked: 37% (665)
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    Question 1441:
    Author: AKSHAY - Category: Science
    Difficulty: 3/5 - Zone: World
    Not confirmed yet

  • No answer picked: 0% (0)
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    Question 1446:
    Author: naroz - Category: General Astronomy
    Difficulty: 3/5 - Zone: United States
    Not confirmed yet

  • No answer picked: 0% (0)
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    Question 1449: what is science?
    Author: g fareed - Category: History of Science
    Difficulty: 2/5 - Zone: Others - picture
    Not confirmed yet

  • No answer picked: 0% (0)
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    Question 1450: The animal which has a outer skeleton?
    Author: mandar.m - Category: Science
    Difficulty: 1/5 - Zone: World
    Not confirmed yet

  • MONKEY - 0% (0)
  • DEER - 0% (0)
  • GORRILA - 0% (0)
  • SNAIL - 0% (0)
  • No answer picked: 0% (0)
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    Question 1464: what was the seven years'War called in the American colonies?
    Author: KAREN WHEELER - Category: History of Science
    Difficulty: 1/5 - Zone: Black Africa
    Not confirmed yet

  • king phillp's war - 0% (0)
  • Pontiac' Rebellion - 0% (0)
  • The war of 1812 - 0% (0)
  • The French and indian war - 0% (0)
  • No answer picked: 0% (0)
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    Question 1465: what was the seven years'War called in the American colonies?
    Author: KAREN WHEELER - Category: History of Science
    Difficulty: 1/5 - Zone: Black Africa
    Not confirmed yet

  • king phillp's war - 0% (0)
  • Pontiac' Rebellion - 0% (0)
  • The war of 1812 - 0% (0)
  • The French and indian war - 0% (0)
  • No answer picked: 0% (0)
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    Question 1466: Who discovered matter waves?
    Author: naresh - Category: Science
    Difficulty: 5/5 - Zone: Asia (except Middle-East)
    Not confirmed yet

  • albert einstein - 0% (0)
  • lemaitre de broglie - 0% (0)
  • louis de broglie - 0% (0)
  • planck - 0% (0)
  • No answer picked: 0% (0)
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    Question 1467: if i am a bird, what dog would i be?
    Author: conor diss - Category: General Astronomy
    Difficulty: 5/5 - Zone: Europe (Minus Russia)
    Not confirmed yet

  • tiger - 0% (0)
  • wolf - 0% (0)
  • puppy - 0% (0)
  • tutle - 0% (0)
  • No answer picked: 0% (0)
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    Question 1476: which is closest to earth
    Author: William - Category: General Astronomy
    Difficulty: 4/5 - Zone: World
    Not confirmed yet

  • Mars - 0% (0)
  • Venus - 0% (0)
  • Makemake - 0% (0)
  • Mars and Venus tied - 0% (0)
  • No answer picked: 0% (0)
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    Question 1480: Father of chemistry
    Author: Wanglen sairem - Category: Science
    Difficulty: 1/5 - Zone: Asia (except Middle-East)
    Not confirmed yet

  • No answer picked: 0% (0)
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    Question 1482: what was the last apollo mission?
    Author: Kian Karimi - Category: History of Science
    Difficulty: 2/5 - Zone: United States
    Not confirmed yet

  • 17 - 0% (0)
  • 18 - 0% (0)
  • 19 - 0% (0)
  • 20 - 0% (0)
  • No answer picked: 0% (0)
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    Question 1488: In real process Entropy of the world ..
    Author: Vaibhav diwan - Category: Science
    Difficulty: 3/5 - Zone: World
    Not confirmed yet

  • Remain same - 0% (0)
  • Increases - 0% (0)
  • Decreases - 0% (0)
  • Remain constant - 0% (0)
  • No answer picked: 0% (0)
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    Question 1489: What is triple point of Water
    Author: Vaibhav diwan - Category: Science
    Difficulty: 3/5 - Zone: World
    Not confirmed yet

  • 0 degree centrigrade - 0% (0)
  • 0 degree ferenhite - 0% (0)
  • 0 degree kelvin - 0% (0)
  • 100 degree centigrade - 0% (0)
  • No answer picked: 0% (0)
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    Question 1491: which is the most powerful radiation in the electromagnetic spectrum?
    Author: sreelekshmi - Category: Science
    Difficulty: 2/5 - Zone: Asia (except Middle-East) - picture
    Not confirmed yet

  • radio waves - 0% (0)
  • gamma rays - 0% (0)
  • infrared rays - 0% (0)
  • ultraviolet rays - 0% (0)
  • No answer picked: 0% (0)
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    Question 1507: Generation of electricity by mechanical vibration is known as
    Author: jJAYARAJ K JOSEPH - Category: Technology
    Difficulty: 2/5 - Zone: World
    Not confirmed yet

  • magnetic effect - 0% (0)
  • photo electric effect - 0% (0)
  • piezo electric effect - 0% (0)
  • incndescence - 0% (0)
  • No answer picked: 0% (0)
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    Question 1508: What is the unit of flux in CGS system?
    Author: jJAYARAJ K JOSEPH - Category: Science
    Difficulty: 3/5 - Zone: Others
    Not confirmed yet

  • webber - 0% (0)
  • maxwell - 0% (0)
  • Telsa - 0% (0)
  • Farad - 0% (0)
  • No answer picked: 0% (0)
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    Question 1509: What is the unit of flux in CGS system?
    Author: jJAYARAJ K JOSEPH - Category: Science
    Difficulty: 3/5 - Zone: Others
    Not confirmed yet

  • webber - 0% (0)
  • maxwell - 0% (0)
  • Telsa - 0% (0)
  • Farad - 0% (0)
  • No answer picked: 0% (0)
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    Question 1510: The force required to eliminate residual magnetism is known as
    Author: jJAYARAJ K JOSEPH - Category: Technology
    Difficulty: 3/5 - Zone: World
    Not confirmed yet

  • coercive force - 0% (0)
  • centrepetal force - 0% (0)
  • Force of attraction - 0% (0)
  • cenrefuegal force - 0% (0)
  • No answer picked: 0% (0)
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    Question 1511: The force required to eliminate residual magnetism is known as
    Author: jJAYARAJ K JOSEPH - Category: Technology
    Difficulty: 3/5 - Zone: World
    Not confirmed yet

  • coercive force - 0% (0)
  • centrepetal force - 0% (0)
  • Force of attraction - 0% (0)
  • cenrefuegal force - 0% (0)
  • No answer picked: 0% (0)
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    Question 1512: In a resonance circuit
    Author: jJAYARAJ K JOSEPH - Category: Technology
    Difficulty: 1/5 - Zone: World
    Not confirmed yet

  • inductance and resistance are equal - 0% (0)
  • current and inductance are equal - 0% (0)
  • Inductive reactance and cpacitive reactance are equal - 0% (0)
  • Inductive reactance and cpacitive reactance are not equal - 0% (0)
  • No answer picked: 0% (0)
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    Question 1522: WHICH SYSTEM TELLS THE EXACT POSITION OF ANYTHING ON THE EARTH?
    Author: AIMAL WAQAS - Category: Technology
    Difficulty: 3/5 - Zone: World
    Not confirmed yet

  • ROUTER - 0% (0)
  • GPS - 0% (0)
  • SWITCH - 0% (0)
  • GPRS - 0% (0)
  • No answer picked: 0% (0)
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    Question 1559: oceania
    Author: nick - Category: Technology
    Difficulty: 5/5 - Zone: World
    Not confirmed yet

  • its the hottes t place on the world - 0% (0)
  • the beach - 0% (0)
  • No answer picked: 0% (0)
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    Question 1565: which frist asia novel
    Author: sourav kundu - Category: Science
    Difficulty: 1/5 - Zone: Asia (except Middle-East)
    Not confirmed yet

  • No answer picked: 0% (0)
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    Question 1567: What is the new exoplanet discovered in the Solar System of Alpha Centuria A,B and C
    Author: Aditya C. - Category: Pure Astronomy
    Difficulty: 1/5 - Zone: World
    Not confirmed yet

  • Eros - 0% (0)
  • Charon - 0% (0)
  • Io - 0% (0)
  • None of the above! - 0% (0)
  • No answer picked: 0% (0)
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    Question 1568: What is the new exoplanet discovered in the Solar System of Alpha Centuria A,B and C
    Author: Aditya C. - Category: Pure Astronomy
    Difficulty: 4/5 - Zone: World
    Not confirmed yet

  • Eros - 0% (0)
  • Charon - 0% (0)
  • Io - 0% (0)
  • None of the above! - 0% (0)
  • No answer picked: 0% (0)
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    Question 1569: INTERNATIONAL YEAR OF BIODIVERSITY ?
    Author: - Category: Science
    Difficulty: 1/5 - Zone: World
    Not confirmed yet

  • 2009 - 0% (0)
  • 2011 - 0% (0)
  • 2010 - 0% (0)
  • 2008 - 0% (0)
  • No answer picked: 0% (0)
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    Question 1573: how many oceans are there
    Author: art - Category: Science
    Difficulty: 3/5 - Zone: World
    Not confirmed yet

  • No answer picked: 0% (0)
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    Question 1588: In a radioactive decay, neither the atomic number changes. Which of the following particles is emitted in the decay?
    Author: manoj - Category: Technology
    Difficulty: 5/5 - Zone: Asia (except Middle-East)
    Not confirmed yet

  • Proton - 0% (0)
  • Neutron - 0% (0)
  • Electron - 0% (0)
  • Photon - 0% (0)
  • No answer picked: 0% (0)
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    Question 1591:
    Author: sumanth - Category: Technology
    Difficulty: 1/5 - Zone: World
    Not confirmed yet

  • No answer picked: 0% (0)
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    Question 1592: who is the first women to go to space
    Author: pandy - Category: History of Science
    Difficulty: 3/5 - Zone: United States
    Not confirmed yet

  • No answer picked: 0% (0)
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    Question 1615: What is the original liquid used to pasteurization by Louis Pastuer?
    Author: John Hernandez - Category: History of Science
    Difficulty: 5/5 - Zone: World
    Not confirmed yet

  • Milk - 0% (0)
  • Beer - 0% (0)
  • Water - 0% (0)
  • Vaccines - 0% (0)
  • No answer picked: 0% (0)
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    Question 1621: Known as the father of modern computer?
    Author: John Hernandez - Category: History of Technology
    Difficulty: 1/5 - Zone: World
    Not confirmed yet

  • Charles Babbage - 0% (0)
  • Harrold Copperfield - 0% (0)
  • Steve Jobs - 0% (0)
  • Bill Gates - 0% (0)
  • No answer picked: 0% (0)
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    Question 1630: what universe
    Author: Athirah - Category: Pure Astronomy
    Difficulty: 1/5 - Zone: United States
    Not confirmed yet

  • earth - 0% (0)
  • No answer picked: 0% (0)
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    Question 1634: whats the capital city of kenya
    Author: Fauz - Category: History of Technology
    Difficulty: 1/5 - Zone: World
    Not confirmed yet

  • nigeria - 0% (0)
  • abuja - 0% (0)
  • nirobi - 0% (0)
  • harare - 0% (0)
  • No answer picked: 0% (0)
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    Question 1638: which of the following is the chemical formula of Saccharose or table sugar?
    Author: Mona Khan - Category: Science
    Difficulty: 3/5 - Zone: World
    Not confirmed yet

  • C6H12O6 - 0% (0)
  • C22H12O11 - 0% (0)
  • C12H22O11 - 0% (0)
  • C14H12O16 - 0% (0)
  • No answer picked: 0% (0)
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    Question 1672: Who is given E=mc2
    Author: Prajapati Rajesh - Category: Science
    Difficulty: 4/5 - Zone: World - picture
    Not confirmed yet

  • Eienstin - 0% (0)
  • Rudder Ford - 0% (0)
  • De-Brogly - 0% (0)
  • None - 0% (0)
  • No answer picked: 0% (0)
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    Question 1684: by 1907 europe had been divided into hostile armed camps. explain the circumstances that led to this situation.
    Author: MARTIN TRIGGER LUHANGA - Category: History of Technology
    Difficulty: 1/5 - Zone: Black Africa
    Not confirmed yet

  • No answer picked: 0% (0)
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    Question 1688: how much country in the world
    Author: Santosh jadhav - Category: General Astronomy
    Difficulty: 3/5 - Zone: World
    Not confirmed yet

  • No answer picked: 0% (0)
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    Question 1707: In approximately how much time does light reach earth?
    Author: Sanjeev Punj - Category: General Astronomy
    Difficulty: 3/5 - Zone: World
    Not confirmed yet

  • 10 - 0% (0)
  • 8 - 0% (0)
  • 15 - 0% (0)
  • 1 - 0% (0)
  • No answer picked: 0% (0)
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