37. Human eye can differentiate between colours due to A.Rods B.Cones C.Bipolar nerves D.Pigmented epithelium
Answer: Option B Solution: Normal cones and pigment sensitivity enable an individual to distinguish all the different colours as well as subtle mixtures of hues. This type of normal colour vision is known as trichromacy and relies upon the mutual interaction from the overlapping sensitivity ranges of all three types of photoreceptor cone.
