Rods contain visual purple or rhodopsin. When light falls on rhodopsin, it is

Absorbed

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Oxidised

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Bleached

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Charged

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Solution

The correct option is C Bleached
Opsins are the light-sensitive proteins of rods. Binding of opsin to retinal (a chromophore) makes rhodopsin which serves as a visual purple pigment of rod cells. Bright light causes breakdown of rhodopsin into opsin and retinal thereby making it bleach out. Thus, the correct answer is option C.

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Rod cell: Rhodopsin :: Cone cell : __________

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