Question

Transmission of light into nerve impulse is a

• A. Biological process
• B. Mechanical process
• C. Chemical process
• D. Biophysical process

Answer 1

The correct option is A Biological process

• The photoreceptor cells convert the light into electrical impulses which are transmitted to the brain through the nerve cells.
  
• The retina converts the light energy into electrical impulse.
• The electrical impulse is then carried to the brain by the optic nerve.
• So, the correct answer is 'Biological process'.