Colour-blind persons are unable to distinguish between different … - Vidyadip

Question

Colour-blind persons are unable to distinguish between different colours.

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Answer

(1) The cone-shaped cells in the retina of a person respond to colours. This makes the perception of colours possible.
(2) In the retina of colour-blind persons, cone-shaped cells responding to certain specific colours are absent. Hence, they are unable to distinguish between different colours.

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