91.
Coccygeal bone occurs in
A
Skull
B
Pectoral girdle
C
Vertebral column
D
Pelvic girdle
Answer :
Vertebral column
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92.
The total number of ribs in human body is
A
10
B
12
C
24
D
36
Answer :
24
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93.
Select the correct statement regarding the specific disorder of muscular or skeletal system:
A
Muscular dystrophy - age related shortening or muscles
B
Osteoporosis - decrease in bone mass and higher chance of fractures with advancing age
C
Myasthenia gravis - Auto immune disorder which inhibits sliding of myosin filaments
D
Gout - inflammation of joints due to extra deposition of calcium
Answer :
Osteoporosis - decrease in bone mass and higher chance of fractures with advancing age
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94.
Red muscle fibers present over
A
Extensors of backs
B
Flight muscle of birds
C
Atheletes of marathon race
D
All of the above
Answer :
All of the above
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95.
Red muscle fibers are more in
A
Smooth muscles
B
Skeletal muscles
C
Cardiac muscles
D
None of the above
Answer :
Cardiac muscles
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96.
Striated muscle fibers
A
Trachea
B
Lung
C
Leg
D
Gall bladder
Answer :
Leg
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97.
Calcium is important in skeletal muscle contraction because it
A
Binds to troponin to remove the masking of active sites on actin for myosin
B
Activates the myosin ATPase by binding to it
C
Prevents the formation of bonds between the myosin cross bridges and the actin filament
D
Detaches the myosin head from the actin filament
Answer :
Binds to troponin to remove the masking of active sites on actin for myosin
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98.
Digital formula of foot of Human is
A
03332
B
03333
C
03322
D
Glossopharyngeal
Answer :
Glossopharyngeal
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99.
Which one of the following pairs of chemical substances is correctly categorized?
A
Calcitonin and thymosin - Thyroid hormones
B
Pepsin and prolactin - Two digestive enzymes secreted in stomach
C
Troponin and myosin - Complex proteins in striated muscles
D
Secretin and rhodopsin - Polypeptide hormones
Answer :
Troponin and myosin - Complex proteins in striated muscles
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100.
An acromian process is characteristically found in the:
A
pelvic girdle of mammals
B
pectoral girdle of mammals
C
skull of frog
D
sperm of mammals
Answer :
pectoral girdle of mammals
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