NEETBiologyNeural Control and CoordinationMCQ+4 / −1
Which one of the following statements is not correct?
- ARetinal is the light absorbing portion of visual photo pigments.
- BIn retina the rods have the photopigment rhodopsin while cones have three different photopigments.
- CRetinal is a derivative of vitamin C.
- DRhodopsin is the purplish red protein present in rods only.
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Correct answer: C
Retinal is a derivative of vitamin A. Retinal is a polyene chromophore, and bound to proteins called opsins, is the chemical basis of animal vision. Bound to proteins called type 1 rhodopsins, retinal allows certain microorganisms to convert light into metabolic energy.
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