Each rib is a thin flat bone connected dorsally to the vertebral column and ventrally to the sternum. It has two articulation surfaces on its dorsal end and is hence called bicephalic. First seven pairs of ribs are called true ribs. Dorsally, they are attached to the thoracic vertebrae and ventrally connected to the sternum with the help of hyaline cartilage. The 8th, 9th and 10th pairs of ribs do not articulate directly with the sternum but join the seventh rib with the help of hyaline cartilage. These are called vertebrochondral (false) ribs. Last 2 pairs (11th and 12th) of ribs are not connected ventrally and are therefore, called floating ribs. Thoracic vertebrae, ribs and sternum together form the rib cage.
Select the correct option.
NEET UG 2019 — Zoology Locomotion and Movement
2019mcqmedium
Select the correct option.
Official previous-year question
Held on 30 Apr 2019 · Verified 9 Jul 2026.
Options
- A
8th, 9th and 10th pairs of ribs articulate directly with the sternum.
- B
11th and 12th pairs of ribs are connected to the sternum with the help of hyaline cartilage.
- C
Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum.
- D
There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs.
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NEET UG Locomotion and Movement in other years
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