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Eye: Quiz


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Question 1: The retina contains two major types of light-sensitive ________ used for vision: the rods and the cones.
Nervous systemPhotosensitive ganglion cellPhotoreceptor cellNeuron

Question 2: In the other kind of apposition eye, found in the ________, lenses are not fused to one another, and each forms an entire image; these images are combined in the brain.

Question 3: From more complex eyes, retinal ________ send signals along the retinohypothalamic tract to the suprachiasmatic nuclei to effect circadian adjustment.
Photosensitive ganglion cellWhite matterPhotoreceptor cellAstrocyte

Question 4: Rods are distributed throughout the retina but there are none at the ________ and none at the blind spot.
Ciliary muscleFovea centralis in maculaSensory systemPhotoreceptor cell

Question 5: Complex eyes can distinguish shapes and ________.
PurplePrimary colorGreenColor

Question 6: [8] ________, which are now extinct, had unique compound eyes.
OrdovicianCambrian explosionArthropodTrilobite

Question 7: [22] Because the individual lenses are so small, the effects of ________ impose a limit on the possible resolution that can be obtained.

Question 8: Many small organisms such as rotifers, copeopods and ________ use such organs, but these are too small to produce usable images.

Question 9: Simple eyes are rather ubiquitous, and lens-bearing eyes have evolved at least seven times in vertebrates, cephalopods, annelids, crustacea and ________.
Box jellyfishCnidariaBryozoaCtenophora

Question 10: Possessing detailed hyperspectral color vision, the ________ has been reported to have the world's most complex color vision system.
Mantis shrimpChar siuJiaoziHot pot

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