Question

Assertion (A): The activated osteoblasts start deposition of mineral material to join fractured bone.
Reason (R): The major part of inorganic matter of bone is collagen.

• A. Both A and R are correct and R is the correct explanation of A.
• B. Both A and R are correct but R is not the correct explanation of A.
• C. A is correct but R is incorrect.
• D. A is incorrect but R is correct.

Hint:

Calcium salts = inorganic; collagen = organic protein matrix in bones.

Answer 1

The Correct Option is C

Osteoblasts are responsible for the deposition of calcium phosphate to repair and join fractured bone, which makes assertion true. However, collagen is an organic component, not an inorganic part of bone; hence the reason is incorrect.