SSC General Science & Technology Sample Paper NCERT Sample Paper-6

  • question_answer
    Potassium is essential for

    A)  Osmotic balance         

    B)  Muscle contraction

    C)  Nerve impulse conduction 

    D)  all of these

    Correct Answer: D

    Solution :

    [d] Potassium (K) is essential for osmotic balance, muscle contraction, nerve impulse conduction and carbohydrates and protein metabolism in animal body.

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