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Question:Colour vision is mediated by

a) Cones

b) Rods

c) Both (a) & (b)

d) Neither (a) nor (b)

Check Answer:


In the retina are two kinds of sensors: rods and cones. The cones function at high levels of illumination and mediate colour vision which is called photopic vision. The rods function at low levels of illumination when the eye has become dark-adapted and do not give the sensation of colour, a process called is scotopic vision.