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Question


Examine the cells a and b. Select the correct option.
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A
Cell a is rod cell found evenly all over retina
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B
Cell a is cone cell more concentrated in fovea centralis
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C
Cell b is concerned with colour vision in bright light
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D
Cell a is sensitive to low light intensitics
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Solution

The correct option is B Cell a is cone cell more concentrated in fovea centralis
The shape of the outer segment of cones (cell-A) is conical. Cones are present primarily in the fovea centralis and are stimulated by bright light and are responsible for color perception. Mostly, rods (cell-B) are narrower and longer than cones. Rods are light-sensitive cells that lack color discrimination and are almost exclusively present at the outermost edges of the retina.
The correct answer is B.

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