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Which one of the following is the correct difference between Rod Cells and Cone Cells of our retina?

1. Visual acuity: High in Rod Cells, Low in Cone Cells
2. Visual pigment contained: Iodopsin in Rod Cells, Rhodopsin in Cone Cells
3. Overall function: Vision in poor light for Rod Cells, Colour vision and detailed vision in bright light for Cone Cells
4. Distribution: More concentrated in retina for Rod Cells, Evenly distributed all over for Cone Cells

Correct answer: Overall function: Vision in poor light for Rod Cells, Colour vision and detailed vision in bright light for Cone Cells

Solution

Rod cells are specialized for low-light (scotopic) vision, while cone cells provide color vision and sharp detail in bright light (photopic) vision. The other options swap pigments or misstate acuity/distribution.

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