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Tapetum lucidum: Quiz


Question 1: In ________ it may be whitish with a blue periphery.
Coat (dog)Dog breedDogDog health

Question 2: Many of these animals are nocturnal, especially ________ that hunt their prey at night, while others are deep sea animals.

Question 3: The tapetum lucidum (________: "bright tapestry", plural tapeta lucida)[1] is a layer of tissue in the eye of many vertebrate animals, that lies immediately behind or sometimes within the retina.
Old LatinLatinVulgar LatinRoman Empire

Question 4: When a tapetum lucidum is present, its location on the eyeball varies with the placement of the eyeball in the head,[7] such that in all cases the tapetum lucidum enhances night vision in the center of the animal's ________.
Angle of viewField of viewCrop factorDepth of field

Question 5: Choroidal tapetum cellulosum, as seen in ________, rodents and cetacea.

Question 6: It reflects visible ________ back through the retina, increasing the light available to the photoreceptors.

Question 7: Human uses include scanning for reflected eyeshine to detect and identify the species of animals in the dark, and deploying trained ________ and search horses at night.
Police dogObedience trainingGerman Shepherd DogSearch and rescue dog

Question 8: When a light is shone into the eye of an animal having a tapetum lucidum, the ________ appears to glow.
RetinaPupilIris dilator muscleCiliary muscle

Question 9: Eyeshine can be seen in many animals, in nature and in flash ________.
Color photographyFilm speedPhotographHolography

Question 10: The tapetum lucidum is a ________ of the transparent sphere type.
RetroreflectorGlobal Positioning SystemHead-up displayHeadlamp


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