10th Class Science Control and Coordination Question Bank Control and Co-ordination

  • question_answer Which of the following is the correct sequence of the components in the transfer of impulses in a reflex arc?
    (i)  Sensory nerve  
    (ii) Sensory organ
    (iii) Muscle        
    (iv) Motor nerve

    A) i \[\to \] ii \[\to \] iii \[\to \] iv  

    B) iv \[\to \] iii \[\to \] ii \[\to \] I                 

    C) ii \[\to \] i \[\to \] iv \[\to \] iii  

    D) iii \[\to \] iv \[\to \] i \[\to \] ii

    Correct Answer: C

    Solution :

    The pathway of a reflex arc is \[\text{ii}\to \text{i}\to \text{iv}\to \text{iii}\to \]. \[\text{Sensory organ}\to \text{Sensory nerve}\to \]\[\text{motor nerve}\to \text{muscle}\]

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