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SSC General Science & Technology Sample Paper NCERT Sample Paper-5

  • question_answer
    Which of the following mineral is essential for the formation of the bones and teeth, clotting of blood, growth and excitability of the nerves?

    A)  Calcium           

    B)  sodium

    C)  Magnesium      

    D)  potassium

    Correct Answer: A

    Solution :

    [a] calcium (Ca) is deposited in bones and teeth to provide strength and rigidity. It is essential for blood coagulation, neuromuscular function. It is also play an essential role in sustaining intestinal peristalsis and growth of body tissue.


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