Railways R.R.C. (Allahabad) Solved Paper Held on 17-11-2013

  • question_answer
    Change in focal length of lens of the eye is caused by-

    A) Pupil                

    B) Shpincter muscle

    C) Circular muscle

    D) Ciliary muscle

    Correct Answer: D

    Solution :

    The ciliary muscle is a ring of striated smooth muscle in the eye's middle layer that controls accommodation for viewing objects of varying distances and regulated the flow of aqueous humour in Jhelum's canal


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