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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-34

  • question_answer
    Our bones and teeth are generally made of

    A)  Tricalcium phosphate    

    B)  Fluoropetite

    C)  Chloropetite     

    D)         Hydrolith

    Correct Answer: A

    Solution :

    Bones and teeth are rich in calcium and phosphate exist in tricalcium phosphate.


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