Read the following statements and select the appropriate option: I. The pliability and flexibility in cartilages are mainly due to the presence of chondroitin salts in its matrix. II. The hardness of

Question

Read the following statements and select the appropriate option:

I. The pliability and flexibility in cartilages are mainly due to the presence of chondroitin salts in its matrix.
II. The hardness of bone is due to calcium phosphate and collagen fibres with ossein protein.
III. The total number of bicephalic ribs in humans are 12 pairs.
IV. The sutures between skull bones are examples of cartilaginous joints.

TestHub · Accepted Answer

There are 12 pairs of ribs with two articulation surfaces on its dorsal end and hence are called bicephalic. Flat skull bones are joint by dense fibrous joint to form sutures. They are also known as immovable joints.

Zoology - Locomotion and Movement Question with Solution | TestHub

Options:

Doubts & Discussion