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Everyday Science Easy PPSC Uploaded: 07 Aug 2026

What is the primary component of bones and teeth?

  • A Magnesium sulfate
  • B Calcium phosphate
  • C Iron oxide
  • D Calcium carbonate
Correct Answer: Option B — Calcium phosphate
Explanation:
Bones and teeth are primarily composed of calcium phosphate in the form of hydroxyapatite crystals, providing strength and rigidity. This mineral structure allows bones to support body weight while remaining light enough for movement.
Submitted by: PaperMCQs
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