Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Locomotion and Movement

Question:

Which bones are included in the ear ossicles?

Options:

Mandible, Maxilla, and Hyoid

Radius, Ulna, and Humerus

Malleus, Incus, and Stapes

Femur, Tibia, and Fibula

Correct Answer:

Malleus, Incus, and Stapes

Explanation:

The correct answer is Option (3) –Malleus, Incus, and Stapes

Skeletal system consists of a framework of bones and a few cartilages. This system has a significant role in movement shown by the body. The skull is composed of two sets of bones –cranial and facial, that totals to 22 bones. Cranial bones are 8 in number. They form the hard protective outer covering, cranium for the brain. The facial region is made up of 14 skeletal elements which form the front part of the skull. A single U-shaped bone called hyoid is present at the base of the buccal cavity and it is also included in the skull. Each middle ear contains three tiny bones – Malleus, Incus and Stapes, collectively called Ear Ossicles. The skull region articulates with the superior region of the vertebral column with the help of two occipital condyles (dicondylic skull).