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Neural Control and Coordination question

2008 · Q12
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Neural Control and Coordination question

2008 · Q12

NEETBiologyNeural Control and CoordinationMCQ+4 / −1
Which one of the following is the correct difference between rod cells and cone cells of our retina?
  1. A
    Rod cells Cone cells
    Overall function Vision in poor light Colour vision and
    detailed vision in
    bright light
  2. B
    Rod cells Cone cells
    Distribution More concentrated in
    centre of retina    		 Evenly distributed all
    over ratina
  3. C
    Rod cells Cone cells
    Visual acuity High Low
  4. D
    Rod cells Cone cells
    Visual pigment
    contained    		 Iodopsion Rhodopsin
View written solutionFree

Correct answer: A

Rod cell is a type of light-sensitive receptor cell present in the retina of vertebrates. Rods contain the pigment rhodopsin and are essential for vision in dim light. They are not evenly distributed on the retina, being absent in the fovea and occupying all of the retinal margin. Cone cell is a type of light-sensitive receptor cell, found in the retina of all diurnal vertebrates. Cones are specialized to transmit information about colour and are responsible for the visual acuity of the eye. They function best in bright light. They contain pigment iodopsin. They are not evenly distributed on the retina.

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