Question

Where light-sensitive cells are present in abundance and give their function

Answer 1

light-sensitive cells are present in the retina in abundance...to be more specific the fovea centralis is the place of highest concentration of light-sensitive cells

theses cells are of two types- rods and cones...

Rod cells or Rods - rods are responsible for night vision. 

Cone cells or Cones - cones are responsible for coloured images during bright light. 

Answer 2

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