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  3. 8th Class
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8th Class Science Light Question Bank Light Conceptive Objective Problems

  • question_answer
    Which part of the human eye contracts and relaxes 2 in order to adjust the focal length of the lens?

    A)  Iris                        

    B)  Pupil

    C)  Blind spot                          

    D)  Ciliary muscles

    Correct Answer: D

    Solution :

      Not Available


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