Select the correct option.

NEET-2019 [Locomotion-and-Movement] [class-xi ]

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

Remark:

Which of the following muscular disorders is inherited ?

NEET-2019 [Locomotion-and-Movement] [class-xi ]

• Tetany
• Myasthenia gravis
• Muscular dystrophy
• Botulism
Correct Option: C  [ Muscular dystrophy ]

Remark: