- A Hard and mineralized, forming the rigid framework of the body
- B Soft and flexible, found mainly at the tips of the nose and ears
- C Found only in the embryonic skeleton, replaced later by cartilage
- D Composed of dead cells lacking any blood supply
Correct answer: A. Hard and mineralized, forming the rigid framework of the body
Explanation: Bone is a hard, mineralized connective tissue that forms the rigid framework of the vertebrate body, unlike cartilage, which is more flexible and compressible.
Concept context
The four basic animal tissue types (epithelial, connective, muscular, neural) and the cockroach as a model organism for organ-system level organisation.