Choose the wrongly matched pair

• Portion of myofibril between two 'Z' lines – Sarcomere

• Isotropic band – Actin

• Anisotropic band – Myosin

• Central part of I-band – M-line

• Central part of I-band – M-line

Most of the cartilages in vertebrate embryo are replaced in adult by

• Blood

• Bones

• Tendons

• Ligaments

• Ligaments

Gliding joint is present between the

• Carpals

• Humerus and pectoral girdle

• Carpal and metacarpal of thumb

• Knee

• Knee

The lumbar region of the vertebral column in man is made up of

• 1 fused vertebra

• 7 vertebrae

• 12 vertebrae

• 5 vertebrae

• 5 vertebrae

The skeletal muscle fibre is a 'syncytium', which means it is

• made up of many fibres

• made up of many proteins

• long and slender

• swollen in the middle with tapered ends

• swollen in the middle with tapered ends

The central hollow portion of the human vertebra is called

• Acromion

• Centrum

• Neural canal

• Sternum

• Sternum

Which of the following muscular disorders is inherited?

• Muscular dystrophy

• Myasthenia gravis

• Botulism

• Tetany

248.

Select the correct option.

• 11^th and 12^th pairs 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.

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

• 8^th, 9^th and 10^th pairs of ribs articulate directly with the sternum.

Tendon and ligament are example of

• dense regular connective tissue-

• dense irregular connective tissue

• loose connective tissue 

• specialised connective tissue.