The supportive skeletal structures in the human external ears and in the nose tip are examples of
- Ligament
- Areolar tissue
- Cartilage
- Bone
Answer
(3) Cartilage
Solution
As per NCERT, cartilage is present in vertebrate embryos; most of the cartilages in the adult are replaced by bones, but cartilage is still present in the tip of nose, outer ear joints, between adjacent bones of the vertebral column, limbs and hands.
⇒ The flexible supporting skeleton of the external ear (pinna) and nose tip is cartilage.
Answer: (3)