The photoreceptors responsible for the perception of colour are _________.
A
rods
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B
cones
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C
pupils
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D
iris
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Solution
The correct option is B cones Rods and cones are photoreceptors (light-sensitive cells) that are present all over the retina of the human eye. Cones are the type of photoreceptors that can perceive colour and require a lot of light. Rods cannot perceive colour but can work at a very low level of light so they are mostly used for night vision.