Differentiate between rods and cones.

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Solution

Rods Cones
1 Rods help in twilight vision. Cones help in colour vision.
2 They have visual purple pigment called as rhodopsin. They have visual violet pigment called as iodopsin.
3 Rods are the photoreceptor cells of the retina that are sensitive to dim light. Cones are the photoreceptor cells of the retina that are sensitive to bright light.

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	Rods	Cones
1	Rods help in twilight vision.	Cones help in colour vision.
2	They have visual purple pigment called as rhodopsin.	They have visual violet pigment called as iodopsin.
3	Rods are the photoreceptor cells of the retina that are sensitive to dim light.	Cones are the photoreceptor cells of the retina that are sensitive to bright light.