The most difficult eyes riddles A list of eyes related questions that are most often answered incorrectly Nature quiz Which desert has this famous "eye"?Sahara. The Richat Structure in Mauritania, also known as the Eye of the Sahara, was interpreted as an asteroid impact structure, but no evidence for shock metamorphism has been found. Today scientists believe that it is a huge (40 km in diameter) and deeply eroded geologic dome.very hard 26% NamibNamib19%GobiGobi30%SaharaSahara26%MojaveMojave24%Created by: globalquiz.org. Statistics based on 5764 answers in 2 languages »deserts of Africa riddles » How wide is human field of view, if eye movement and preipherial vision are included? (head rotation excluded)More than 240°. Without the eye movement, humans have an almost 180-degree forward-facing horizontal field of view. With eyeball rotation of about 90° , horizontal field of view is as high as 270°. very hard 30% 90°90°9%120°120°31%180°180°28%more than 240°more than 240°30%Created by: globalquiz.org. Statistics based on 3592 answers in 4 languages »anatomy riddles » What was the color of Jesus' eyes?Brown. The Scriptures tell us that Jesus didn’t look different from an ordinary Jewish man of His time. Any other color of eyes than brown would have been surely noted down. In the 2004 movie, The Passion of the Christ, Jesus was portrayed by Jim Caviezel who had his blue eyes digitally changed to brown.hard 41% brownbrown41%blueblue23%greygrey2%it is not knownit is not known31%Created by: Kinga H. Statistics based on 4834 answers in 4 languages »Jews riddles » Which living creature has the largest eyes?The giant squid. Giant squids have the largest eyes of any living creature except perhaps colossal squid – over 30 centimeters (1 ft) in diameter. Large eyes can better detect light (including bioluminescent light), which is scarce in deep water.hard 45% elephantelephant3%blue whaleblue whale16%the giant squidthe giant squid45%giraffegiraffe34%Created by: Kasia. Statistics based on 8522 answers in 2 languages »animal records riddles » Which part of a dog's or a cat's eye reflects the light?A layer behind retina. Many vertebrates, especially nocturnal ones, have the reflecting layer called tapetum lucidum. It reflects the light back through the retina, increasing the amount of light available to the photoreceptors. hard 47% conjuctivaconjuctiva10%pupilpupil17%irisiris24%a layer behind retinaa layer behind retina47%Created by: globalquiz.org. Statistics based on 9943 answers in 2 languages »dogs riddles » Who should you expect to show stronger red-eye effect?Blue-eyed people. The iris plays no role in the effect, but the blue-eyed people have relatively low melanin in the fundus as well. Therefore, they show a much stronger red-eye effect, as the light passing fundus is not absorbed by melanin. The role of melanin in red-eye effect is nicely demonstrated in case of heterochromia (one eye blue, one brown): typically, only the blue eye displays the effect.hard 57% blue-eyed peopleblue-eyed people57%brown-eyed peoplebrown-eyed people14%elderselders1%there is no differencethere is no difference26%Created by: Kantapat Rassamee. Statistics based on 5040 answers in 4 languages »light riddles » What animal is that?Goat. The horizontal pupils allow wide panoramic vision. Because goats' irises are usually pale, their pupils are much more noticeable than in animals such as cattle, deer, horses and sheep, whose similarly horizontal pupils blend into a dark iris. average 65% camelcamel22%goatgoat65%kangarookangaroo10%dogdog1%Created by: globalquiz.org. Statistics based on 12642 answers in 2 languages »mammals riddles » Why do cats have vertical pupils?To better see in the dark. The sharpest image is produced by round pupils, and if cats weren’t nocturnal, they probably would have round pupils like us. But the vertical pupil, in combination with horizontal eyelids, gives the cat greater and more accurate control in different types of lighting. A cat may adjust the amount of light by moving eyelids only.easy 76% to have sharper visionto have sharper vision18%to better see in the darkto better see in the dark76%to be more attractiveto be more attractive1%it is a useless mutationit is a useless mutation3%Created by: globalquiz.org. Statistics based on 16156 answers in 2 languages »optics riddles » Which dogs have blue eyes?Siberian Husky. Siberian Huskies are known for blue eyes. They commonly have one more unusual trait called heterochromia - a difference in iris coloration between the left and the right eye.very easy 93% French spanielFrench spaniel2%greyhoundgreyhound2%foxhoundfoxhound2%Siberian HuskySiberian Husky93%Created by: Kasia. Statistics based on 19402 answers in 4 languages »colors riddles » Play nature quiz and see all the questions.