Give reason:
One can sense colours only in bright light.

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Solution

The cells present on the retain and responsible for colour vision are known as cone cells. These cells become active only under bright light and remain inactive under dark. Thus, we are able sense only in bright light.

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Q. Give scientific resons:
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Question 7

Which of the following statements is correct regarding rods and cones in the human eye?
(a) Cones are sensitive to dim light
(b) Cones are sensitive to bright light
(c) Rods are sensitive to bright light
(d) Rods can sense colour

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Give reason: One can sense colours only in bright light.

The cells present on the retain and responsible for colour vision are known as cone cells. These cells become active only under bright light and remain inactive under dark. Thus, we are able sense only in bright light.

Give reason:
One can sense colours only in bright light.