Question

Rods are sensitive to ________.

• A. Dim light
• B. High intensity light
• C. Colour perception
• D. All the above

Answer 1

The correct option is A Dim light

There are two types of photoreceptor cells in retina:

• Rods: The photoreceptor cells that contain rhodopsin pigment and associated with scotopic vision of eye i.e. vision under low light or dim light.
• Cones: The photoreceptor cells that contain iodopsin, porpyrosin and cyanopsin pigments. These cells are associated with the daylight vision and colour vision of eyes.

So, the correct answer is 'Dim light'.