Question

Assertion (A): Bone is a very strong, hard and rigid or non-flexible tissue.

Reason (R): The matrix of bone is rich in salts of calcium and magnesium.

विकल्प

• Both A and R are true and R is correct explanation of the assertion.

• Both A and R are true but R is not the correct explanation of the assertion.

• A is true but R is false.

• A is false but R is true.

Answer 1

Both A and R are true and R is correct explanation of the assertion.

Explanation:

Bone is hard and rigid because its matrix is mineralised and rich in calcium and magnesium salts. Hence, both statements are true, and R correctly explains A.