MCQ Pratice Test -Chapter-17-Locomotion And Movement

Upon stimulation of skeletal muscles, calcium is immediately made available for binding to troponin from

Select the correct statement regarding the specific disorder of muscular or skeletal system

If the skeletal muscle fibres are soaked and treated with high concentration of salts, large quantities of proteins are removed. The fibres can no longer contract and the A-bands disappear. This shows that

Which one of the following pairs of chemical substances is correctly categorized?

Skeletal muscles are striated as

An age-dependent disorder characterized by increased fragility and low bone mass resulting from deficiency of Ca and vitamin D is

An acromian process is characteristically found in the

Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency?

The further treatment of fibres with saturated salt solutions removes actin and its two associated proteins tropomyosin and troponin and also destroy the I-bands. This shows that the thin filaments are made up of................. proteins.

The term tetanus refers to

The thin filaments of a myofibril contain two filaments of ___(A)__ actin and __(B)__ protein along with __(C)___ protein for masking binding site for myosin.

The contraction of one of the muscle rotates the forearm to turn the palm downward or backward. Identify the muscle from the following.

The joint between skull and atlas which allows nodding movement is called _______.

The characteristic and an example of a synovial joint in humans is

Select the correct statement regarding the specific disorder of muscular or skeletal system.

Which one of the following is correctly matched?

The globular head of myosin contains

The intervertebral discs are pads of cartilage placed between two adjacent vertebrae; the regions of the vertebrae that are in contact with these pads are

The H-zone in the skeletal muscle fibre is due to

Which of the following contractile proteins contributes 55% of muscle protein by weight ?