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Locomotion and Movement — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYLocomotion and Movement1 Mark
MCQ
Which of the following statement is incorrect w.r.t. bone?
  • A
    Bone is made up of 60 and 70% organic matter and 30 and 40% inorganic matter.
  • B
    If born is kept in HCl it becomes soft.
  • C
    If bone is heated then the organic part disappears and inorganic part is retained.
  • D
    Hydroxyapatite salts and fluorapatite salts are found in matrix.
✓

Answer

  1. Bone is made up of 60 and 70% organic matter and 30 and 40% inorganic matter.

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