Home › CBSE Class 9 › biology › c9animaltissues › Per NCERT, what gives BONE its hard, rigid matrix?
Per NCERT, what gives BONE its hard, rigid matrix?
APlain protein
BCalcium and phosphorus compounds — giving strength + rigidity
CPectin
DPure water
Answer & Solution
Correct answer: B. Calcium and phosphorus compounds — giving strength + rigidity
Per NCERT §3.3.2, bone matrix contains calcium + phosphorus compounds. The other options misstate.
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