Match the following columns and select the correct option.

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

• A
  $(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)$
• B
  $(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)$
• C
  $(a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)$
• D
  $(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)$