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Q.

is it true that night birds have fewer cones than rods in their eyes?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
Rods and cones are two types of light-sensitive cells in the retina of an eye. Rods are rod-shaped cells that are sensitive to low light or dim light. Cones are cone-shaped, bright-light-sensitive cells. The most crucial components for vision in dim light are rods. Since night birds are active in the night, they have more rods and less of cones.
 
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is it true that night birds have fewer cones than rods in their eyes?