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Q. No.Out of ‘X’ pairs of ribs in humans only 'Y' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation:
1.
X=12, Y=5 True ribs are attached to vertebral column and sternum on the two ends.
2.
X=24, Y=7 True ribs are dorsally attached to vertebral column but are free on ventral side.
3.
X=24, Y=12 True ribs are dorsally attached to vertebral column but are free on ventral side.
4.
X=12, Y=7 True ribs are attached dorsally to vertebral column and ventrally to the sternum.
Subtopic: Sternum & Ribs |
87%
From NCERT
NEET - 2017
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Lack of relaxation between successive stimuli in sustained muscle contraction is known as?
1. fatigue
2. tetanus
3. tonus
4. spasm
2. tetanus
3. tonus
4. spasm
Subtopic: Disorders of Muscular and Skeletal System |
53%
From NCERT
NEET - 2016
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Which of the following joints would allow no movement?
1. Fibrous joint
2. Cartilaginous joint
3. Synovial joint
4. Ball and socket joint
Subtopic: Fibrous & Catilaginous Joints |
88%
From NCERT
NEET - 2015
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Which of the following is not a function of the skeletal system?
1. Production of erythrocytes
2. Storage of minerals
3. Production of body heat
4. Locomotion
Subtopic: Human Skeleton: Introduction, Function, Parts |
71%
From NCERT
NEET - 2015
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Sliding filament theory can be best explained as:
| 1. | when myofilaments slide past each other, actin filaments shorten while myosin filament does not shorten |
| 2. | actin and myosin filaments shorten and slide past each other |
| 3. | actin and myosin filaments do not shorten but rather slide pass each other |
| 4. | when myofilaments slide past each other, myosin filaments shorten while actin filaments do not shorten |
Subtopic: Sliding Filament Theory |
52%
From NCERT
NEET - 2015
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Glenoid cavity articulates:
1. clavicle with acromion
2. scapula with acromion
3. clavicle with scapula
4. humerus with scapula
2. scapula with acromion
3. clavicle with scapula
4. humerus with scapula
Subtopic: Appendicular Skeleton: Girdle |
63%
From NCERT
NEET - 2015
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The characteristics and an example of a synovial joint in humans are:
| Characteristics | Examples | |
| 1. | Fluid-filled between two joints, provides cushion | Skull Bones |
| 2. | Lymph filled between two bones, limited motion | Gliding joint between carpals |
| 3. | Fluid-filled synovial cavity between two bones | Joint between atlas and axis |
| 4. | Fluid cartilage between two bones, limited motion | Knee joint |
Subtopic: Synovial Joint |
76%
From NCERT
AIPMT - 2013
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Select the correct matching of the types of the joint with the example in the human skeletal system:
| Types of joint | Examples | |
| 1. | Cartilaginous joint | between frontal and parietal |
| 2. | Pivot joint | between third and fourth cervical vertebrae |
| 3. | Hinge joint | between the humerus and pectoral girdle |
| 4. | Gliding joint | between carpals |
1. 1
2. 2
3. 3
4. 4
Subtopic: Fibrous & Catilaginous Joints | Synovial Joint |
82%
From NCERT
AIPMT - 2014
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Stimulation of a muscle fiber by a motor neuron occurs at:
1. the neuromuscular junction
2. the transverse tubules
3. the myofibril
4. the sarcoplasmic reticulum
Subtopic: Muscle Contraction: Other Considerations |
92%
From NCERT
AIPMT - 2014
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Select the correct statement with respect to locomotion in humans:
| 1. | Accumulation of uric crystals in joints causes inflammation |
| 2. | The vertebral column has 10 thoracic vertebrae |
| 3. | The joint between adjacent vertebrae is a fibrous joint |
| 4. | The decreased level of progesterone causes osteoporosis in old people |
Subtopic: Disorders of Muscular and Skeletal System |
83%
From NCERT
AIPMT - 2013
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