10 most difficult colors riddles A list of ten (out of 27) colors related questions that are the most often answered incorrectly Colors quiz For what main reason do chameleons change color? As a social signal to othe chameleons. Color change in chameleons has various functions, depending on the species, but the most common is social signaling. Only few species, such as Smith's dwarf chameleon, also adjust their colors for camouflage. very hard 20% to match their surroundingsto match their surroundings51%as a social signal to othe chameleonsas a social signal to othe chameleons20%their skin change color when pressedtheir skin change color when pressed5%chameleons do not change colorchameleons do not change color22%Created by: globalquiz.org. Statistics based on 8493 answers in 5 languages »reptiles riddles » Why is White Sands Desert in New Mexico so purely white?It is gypsum. White Sands, having 442 total square kilometers of dune fields, is the world's largest surface deposit of gypsum. Unlike other desert sands, it is cool to the touch, due to the high rate of evaporation of surface moisture and the fact that the sands reflect, rather than absorb, the sun's rays.very hard 30% it is gypsumit is gypsum30%it is very fine grained sandit is very fine grained sand10%it iswhite quartzit iswhite quartz36%it is an optical illusionit is an optical illusion22%Created by: Debbie Fox. Statistics based on 13951 answers in 5 languages »natural resources riddles » How are white pigments used in paints called?Lithopone, a mixture of barium sulfate and zinc sulfide, is widely used as a white pigment powder for paints, putties and plastics. Approximately 220,000 tons of lithopone were produced in 1990. very hard 31% LimeLime34%FlavonesFlavones19%LithoponeLithopone31%OchreOchre14%Created by: Paweł Kołodziejczyk. Statistics based on 3829 answers in 2 languages »chemistry riddles » In what process sky colors (including blue sky and red sun) are created?Rayleigh scattering, named after the British physicist Lord Rayleigh (John William Strutt), is an elastic scattering of light or other electromagnetic radiation by particles much smaller than the wavelength of the radiation. very hard 33% iridescenceiridescence11%Rayleigh scatteringRayleigh scattering33%miragemirage12%atmospheric refractionatmospheric refraction42%Created by: Ninjai. Statistics based on 5329 answers in 3 languages »optical illusions riddles » A person who has 4 types of color receptors is called ...Tetrachromat. Man is usually sensitive to about 500,000 colors. Tetrachromacy is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cells in the eye. Organisms with tetrachromacy are called tetrachromats which can see up to 99 million shades. very hard 38% Such people do not existSuch people do not exist19%QuatroculusQuatroculus32%ChromosomChromosom9%TetrachromatTetrachromat38%Created by: Tschuka. Statistics based on 2012 answers in 2 languages »eyes riddles » What was the color of Hulk (Marvel Hero) in its first comic books?Grey. Hulk first appear in 1962's Comic by Stan Lee and Jack Kirby. Hulk was grey, but was that problematic when printing a comic.hard 41% GreyGrey41%BlackBlack3%RedRed11%Hulk always been greenHulk always been green43%Created by: MilosTwine. Statistics based on 1933 answers in 2 languages »fairy tales riddles » Which country did these silver sport cars represent?Germany. For decades until the introduction of sponsorship liveries, each country had its traditional color in automobile racing. Italian race cars were red (still used by Ferrari), British ones green, and French blue. Today, Mercedes-Benz Formula One cars are also silver.hard 46% GermanyGermany46%FranceFrance11%ItalyItaly17%Great BritainGreat Britain24%Created by: globalquiz.org. Statistics based on 19288 answers in 3 languages »races riddles » Which color has the greatest albedo?White. Albedo in Latin is simply "whiteness". It is the reflecting power of a surface - the ratio of reflected radiation from the surface to incident radiation upon it.hard 47% whitewhite47%blueblue15%redred24%blackblack12%Created by: Paweł Kołodziejczyk. Statistics based on 7010 answers in 4 languages »Latin riddles » Which chemical element forms compounds which are typically intensely colored?Chromium. The name of chromium means colour in Greek. Its compounds are used as pigments, including chrome yellow which had been used to paint school buses and chromium oxides used as a green color in glassmaking. Natural rubies are colored red due to chromium ions.hard 49% zinczinc20%lithiumlithium16%chromiumchromium49%vanadiumvanadium14%Created by: life-o-holic. Statistics based on 14916 answers in 5 languages »chemical elements riddles » Is this a male, or a female cat?A female. This kind of coat coloring, which combines two colors other than white (black and red in this case), is known as tortoiseshell, and it is found almost exclusively in female cats. This is because the X chromosome determines the color of the cat, and there are no color genes in Y chromosome. Thus, female cats with XX chromosomes may be three colored (including white), while male cats with XY chromosomes cannot. (with the exception of very rare XXY sterile males).hard 54% a malea male15%a femalea female54%it is not possible to tellit is not possible to tell26%it is not a cat at allit is not a cat at all3%Created by: Sara Amoncio. Statistics based on 27461 answers in 5 languages »genetics riddles » Play colors quiz and see all the questions.