Single Answer MCQ
Q-00001923
How do light-sensitive cells in the retina generate electrical signals?
1
By emitting light
2
By converting light signals
3
By reflecting light
4
By absorbing light
Answer and Solution
Answer
D. By absorbing light
Solution:
Light-sensitive cells in the retina generate electrical signals by absorbing light that enters the eye. This absorption triggers a series of chemical and electrical reactions, leading to the generation of nerve impulses for vision. Therefore, the correct answer is 'By absorbing light'.
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