1
Question
Perception of colour is possible among
Perception of colour is possible among
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Solution
The correct option is D Both A and C
A typical bird eye will respond to wavelengths from about 300 to 700 nm. Humans cannot perceive UV light directly because the lens of the eye blocks most light in the wavelength range of 300 - 400 nm. Another big difference between the tetrachromacy vision of humans and birds lies in the retina. The fovea, which is the area of the retina responsible for the precise vision of the details and where there is a big concentration of cones, form a lateral strip rather than a central area. Added to the fact that some birds can have two or even more fovea, birds have a lot more cones than humans and this consequently can visualise colours better than humans. Birds have photopigments, that are sensitive to four or five peak wavelengths. Because of this fact, they are much more sensitive to colours than humans.
A typical bird eye will respond to wavelengths from about 300 to 700 nm. Humans cannot perceive UV light directly because the lens of the eye blocks most light in the wavelength range of 300 - 400 nm. Another big difference between the tetrachromacy vision of humans and birds lies in the retina. The fovea, which is the area of the retina responsible for the precise vision of the details and where there is a big concentration of cones, form a lateral strip rather than a central area. Added to the fact that some birds can have two or even more fovea, birds have a lot more cones than humans and this consequently can visualise colours better than humans. Birds have photopigments, that are sensitive to four or five peak wavelengths. Because of this fact, they are much more sensitive to colours than humans.
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