Pecten, a comb-like structure occurs in the eye of ________.
A
Fishes
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B
Birds
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C
Mammals
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D
Frog
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Solution
The correct option is B Birds
Pecten, also known as pectin oculi is a comb like structure in the blood vessels of choroid of eyes in birds. It is a pigmented and non sensory structure. It is believed to nourish the retina and its pigmentation protects the blood vessels from the damage caused by UV radiations. It is responsible for sharp eye sight of some birds like hawks.