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  • Match the following columns and select the correct option: Column I Column II</t

Match the following columns and select the correct option:

Column I Column II
(a) Rods and Cones (i) Absence of photoreceptor
(b) Blind spot (ii) Cones are densly packed
(c) Fovea (iii) Photoreceptor cells
(d) Iris (iv) Visible coloured portion of the eye

 

Option: 1

a-ii, b-iii, c-i, d-iv


Option: 2

a-iii, b-iv, c-ii, d-i


Option: 3

a-ii, b-iv, c-iii, d-i


Option: 4

a-iii, b-i, c-ii, d-iv


Answers (1)

best_answer
  • Retina is the innermost layer of the eye
  • It consists of three layers from inner to outer 
  • These layers are Ganglion layer, Bipolar layer and Photoreceptors
  • The photoreceptors are Rods and Cones 
  • Retina shows an area called blind spot from where optic nerve arises. This area does not show presence of any Photoreceptors 
  • Lateral to the blind spot, there is an area called as Macula densa that shows presence of only cons
  • The centre of Macula is Fovea centralis which shows maximum number of cones 
  • Iris is the middle layer of eye and it is the coloured portion of the eye 
Posted by

Suraj Bhandari

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