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 24% NamibNamib19%GobiGobi31%SaharaSahara24%MojaveMojave24%Created by: globalquiz.org. Statistics based on 7110 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)200°. 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 200°. very hard 28% 90°90°9%120°120°30%160°160°31%200°200°28%Created by: globalquiz.org. Statistics based on 5649 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.very hard 39% brownbrown39%blueblue24%greygrey2%it is not knownit is not known33%Created by: Kinga H. Statistics based on 7349 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 whale18%the giant squidthe giant squid45%giraffegiraffe32%Created by: Kasia. Statistics based on 12207 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 48% conjuctivaconjuctiva10%pupilpupil16%irisiris24%a layer behind retinaa layer behind retina48%Created by: globalquiz.org. Statistics based on 15055 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 54% blue-eyed peopleblue-eyed people54%brown-eyed peoplebrown-eyed people15%elderselders1%there is no differencethere is no difference27%Created by: Kantapat Rassamee. Statistics based on 7392 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 66% camelcamel22%goatgoat66%kangarookangaroo10%dogdog1%Created by: globalquiz.org. Statistics based on 16420 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 77% to have sharper visionto have sharper vision17%to better see in the darkto better see in the dark77%to be more attractiveto be more attractive1%it is a useless mutationit is a useless mutation3%Created by: globalquiz.org. Statistics based on 22311 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 94% French spanielFrench spaniel1%greyhoundgreyhound1%foxhoundfoxhound2%Siberian HuskySiberian Husky94%Created by: Kasia. Statistics based on 28207 answers in 4 languages »colors riddles » Play nature quiz and see all the questions.