Question

Functions of cone cells and rod rod cells in retina

Answer 1

cones cells help in the vision in bright light

rods cells help in the vision during darker region

Answer 2

The Rod cell

• They are like inner ends rod like structure .
• They are sensitive to dim light but do not respond to the colour.
• They contains pigment visual purple.
• The Rod cells are distributed along throughout the retina.
• They have rapid regeneration of light -sensitive pigments.

Cones

• They are like inner ends conical like structure.
• They are sensitive to bright light and are responsible for colour vision.
• They contain pigment called visual violet .
• The cones cells are confined to the yellow spot.
• They are mostly located at the centre of retina.