Biology · PYQ NEET UG 2019(1)

Select the correct option.

A
11th and 12th pairs of ribs are connected to the sternum with the help of hyaline cartilage.
B
Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum.
C
There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs.
D
8th, 9th and 10th pairs of ribs articulate directly with the sternum.

Correct answer · Option C

There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs.

Out of 12 pairs of ribs, first 7 pairs are vertebrosternal, 8th, 9th, 10th are vertebrochondral (false ribs), and 11th, 12th are floating ribs.