Difference between rods and cones, Biology

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Difference between rods and cones -

Rods

Cones

1. More in number 1150 lakh

2. Outer seg. is cylindrical and contains rodopisin

3. Rods are alike

4. Concerned with night blindness

5. Sensitive to dim light

Less in number 65 lakh

Outer segment is conical & contain iodopsin

Cones are of 3 types

Colour blindness

Sensitive to sharp light

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