Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2007

  • question_answer
    When the intensity of light is low during night the light is detected by

    A)  rods                                     

    B)  cones

    C)  lens                                      

    D)  Both [a] and [b]

    Correct Answer: A

    Solution :

    Rod cells contain a purplish pigment called visual purple or rhodopsin. They function in dim light and at night. They produce poorly defined images.


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