Multiple choice general knowledge science & technology

What is the main component of bones and teeth?

  1. Calcium Carbonate

  2. Calcium Phosphate

  3. Calcium Sulphate

  4. Calcium Nitrate
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Calcium phosphate (hydroxyapatite) is the primary mineral component of bones and teeth, making up about 65-70% of bone weight. It provides hardness and strength. Calcium carbonate, sulfate, and nitrate are not the main structural components.

Keep practicing — related questions