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 (specifically hydroxyapatite) is the main mineral component of bones and teeth, providing hardness and strength. Calcium carbonate is found in seashells, while sulphate and nitrate are not structural components of bone.

Keep practicing — related questions