Question

For a colour blind person choose the incorrect statement from the following
(1)
rod cells are present on retina
(2) cone cells are present on retina
(3) Eye sight of person is normal
(4)
Proper information about intensity of light of object is given to brain.​

Answer 1

The eyesight of a person is normal  

Option (3)

Explanation:

• For a color-blind person, the vision and identification for red and green color generally get mixed up and they fail to recognize such specific colors.
• Vision is therefore hampered in a color-blind person as vision entails for clarity, precision, sharpness, color identification amongst other criteria.
• Therefore of the four statements provided in the question, the vision of a color-blind person is not normal.  

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