A

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Q. Our bones & teeth are generally made of -

  • (A) Tricalcium phosphate
  • (B) Chloropetite
  • (C) Fluoropetite
  • (D) Hydrolith
  • Correct Answer - Option(A)
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Explanation by: Admin

Bones and teeth are primarily composed of calcium phosphate in the form of hydroxyapatite, which is a crystalline structure of tricalcium phosphate .

  • Bones: Contain about 70% hydroxyapatite, giving them strength and rigidity.
  • Teeth (Enamel & Dentin): Also have hydroxyapatite, but fluorapatite (fluoride-enriched hydroxyapatite) strengthens enamel and makes it more resistant to decay.

Thus, tricalcium phosphate is the main mineral in bones and teeth, making (A) Tricalcium phosphate the correct answer.

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