Evaluation . Muscles are derived from a. ectoderm b. mesoderm c.
endoderm d. neuro ectoderm . Muscles are formed by a. myocytes b.
leucocytes c. osteocytes d. lymphocytes . The muscles attached to the bones are called a.
skeletal muscle b. cardiac muscle c. involuntary muscle d. smooth muscles .
Skeletal muscles are attached to the bones by a. tendon b. ligament c. pectin d.
fibrin . The bundle of muscle fibres is called a. Myofibrils b. fascicle c.
sarcomere d. sarcoplasm . The pigment present in the muscle fibre to store oxygen is a. myoglobin b.
troponin c. myosin d. actin . The functional unit of a muscle fibre is a.
sarcomere b. sarcoplasm c. myosin d. actin .
The protein present in the thick filament is a. myosin b. actin c. pectin d.
leucin . The protein present in the thin filament is a. myosin b. actin c.
pectin d. leucin . The region between two successive Z-discs is called a a. sarcomere b.
microtubule c. myoglobin d. actin . Each skeletal muscle is covered by a.
epimysium b. perimysium c. endomysium d. hypomysium .
Knee joint is an example of a. saddle joint b. hinge joint c. pivot joint d.
gliding joint . Name of the joint present between the atlas and axis is a. synovial joint b. pivot joint c.
saddle joint d. hinge joint . ATPase enzyme needed for muscle contraction is located in a. actinin b.
troponin c. myosin d. actin . Synovial fluid is found in a.
Ventricles of the brain b. Spinal cord c. immovable joint d. freely movable joints.
. Inflammation of joints due to accumulation of uric acid crystals is called as a. Gout b. myasthenia gravis c.
osteoporosis d. osteomalacia . Acetabulum is located in a. collar bone b.
hip bone c. shoulder bone d. thigh bone . Appendicular skeleton is a.
girdles and their limbs b. vertebrae c. skull and vertebral column d. ribs and sternum XI Std Biology-Zoology Chapter- .
The type of movement exhibits by the macrophages are a. flagellar b. ciliary c. muscular d.
amoeboid . The pointed portion of the elbow is a. acromion process b. glenoid cavity c.
olecranon process d. symphysis . Name the different types of movement. .
Name the filaments present in the sarcomere. . Name the contractile proteins present in the skeletal muscle. .
When describing a skeletal muscle, what does “striated” mean? . How does an isotonic contraction take place? .
How does an isometric contraction take place? . Name the bones of the skull. .
Which is the only jointless bone in human body? . List the three main parts of the axial skeleton . How is tetany caused?
. What are the functions of the skeletal system? . What are the different types of rib bones that form the rib cage?
. What are the bones that make the pelvic girdle? . List the disorders of the muscular system.
. Explain the sliding- filament theory of muscle contraction. . What are the benefits of regular exercise?
Skeletal System’s