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Tissues — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceTissues1 Mark
MCQ
Bone matrix is rich in:
  • A
    Fluoride and calcium.
  • B
    Calcium and phosphorus.
  • C
    Calcium and potassium.
  • D
    Phosphorus and potassium.
✓

Answer

  1. Calcium and phosphorus.

Explanation:

Bone cells are embedded in a hard matrix which is composed of calcium and phosphorus.

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