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Question

Which one of the following is the correct difference between Rod Cells and Cone Cells of our retina?

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  1. 3

  2. 2

  3. 4

  4. 1


Solution

The correct option is C

4


There are two types of photoreceptor cells namely Rods and Cones.

1.  Cones  are concentrated in centre of retina, contains photopigment called iodopsin. Cones responsible for daylight (photopic) vision and color vision

2.  Rods are evenly distributed all over retina, contains photopigment called rhodopsin or visual purple, which contain a derivative of Vitamin-A. Rods responsible for twilight (scotopic) vision

And visual acuity not specifically linked to the photoreceptor cells but many different aspects of vision

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