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

  • question_answer Which of the following elements is essential to make a neuron electrically charged?

    A) Potassium                         

    B) Sodium                                               

    C) Phosphorous   

    D) Calcium

    Correct Answer: B

    Solution :

    Sodium is an essential element to make a neuron electrically charged.

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