The World Quiz > Hard Science & Technology Quiz

	Hard Science & Technology Quiz 1 - Which Space mission was described by James Lovell and Neil Armstrong as 'The most significant in the history of US spaceflight'? Apollo 13 Apollo 8 Apollo 14 Gemini 4 2 - Which ancient people is generally (and somewhat controversially) credited with the invention of the zero? The Indians The Egyptians The Greeks The Chinese 3 - What is one difference between RNA and DNA? DNA has two strands while RNA contains three strands. RNA uses uracil as a base instead of thymine. In RNA, the pattern of nucleotides is in reverse order. RNA is only found in cell walls or membranes. 4 - Which extra solar planet is currently known as orbiting a brown dwarf? HD 224693B Gliese 777 AC 2M1207B 55 Cancri AE 5 - What scientific phenomenon is often (mistakenly) thought as having been first reported by Columbus? The inversion of the sense of gyration of water emptying from a hole as one crosses the equator The difference between the geographic & magnetic North Poles The existence of Aurora Borealis above the ocean The increase in the sea's level near the equator, due to the increased centrifugal force 6 - Who was the first to propose the uncertainty principle, which is vital to quantum mechanics? De Broglie Heisenberg Bohr Einstein 7 - Which of these standards is not used for connecting daughter boards to computers' mother board? VESA ISA PCI DMA 8 - What are the craters on Venus named after? Roman mythological figures Astronomers The home towns of astronomers Famous women 9 - Which of these aircraft designers was responsible for the Hawker Hurricane fighter plane? Sir Frank Whittle Reginald J Mitchell Sir Sidney Camm Sir Barnes Wallace 10 - Which of the following is not credited to the Chinese? The invention of rockets The discovery of magnetic attraction The discovery of electric attraction The calculation of pi to the fifth decimal 11 - Which of the following is not a formula for energy? (mv²)/2 (where m is mass, and v is speed) hf (where h is Planck's constant, and f is frequency) ma (where m is mass, and a is acceleration) mc² (where m is mass, and c is the speed of light) 12 - What is a perfect number? A number such that the sum of its factors, excluding itself, is greater than itself A number such that its only divisors are 1 and itself A number such that the sum of its factors, excluding itself, equals itself A number such that it cannot be expressed as the ratio of two integers 13 - The pH scale measures... The concentration of hydronium ions. The inverse concentration of hydronium ions. The level of molecular activity The concentration of NH- ions 14 - What is a Lagrange point? An orbital spot where a small object will remain stationary with respect to two large gravitational objects The vertical angle at which a spinning object will become unstable and fall over A sharp-pointed fulcrum where the slope from the point is equal in all directions The temperature for a liquid at which no amount of pressure will prevent boiling 15 - What is the number phi equal to? sqrt(2)pi/2 = 2.2214... (e^2-1)/4 = 1.5972... (1+sqrt(5))/2 = 1.6180... e^pi = 23.1407... 16 - Which British Astronomer has a Lunar crater named after him?* Sir Bernard Lovell Henry Brinton Sir Fred Hoyle Sir Patrick Moore 17 - What was the diametre of the biggest Kamtchatka crab found? 56 cm (22 inches) 105 cm (42 inches) 180 cm (72 inches) 356 cm (140 inches) 18 - Sikhote-Alin is a well-known name to Space enthusiasts. But who or what was he/ she / it? An iron meteorite that exploded over Russia in 1947 A Russian space scientist, who designed the Buran space shuttle A pair of colliding galaxies in the constellation of Cepheus The location of Russia's largest terrestrial telescope 19 - Who discovered and capitalized alternating current? Edison Tesla Maxwell Einstien 20 - What is the quark combination in a proton? uud udd usd ssd Homepage