Q. No.Which one of the following is the correct description of a certain part of a normal human skeleton?
1. First vertebra is axis which articulates with the occipital condyles
2. The 9th and 10th pairs of ribs are called the floating ribs
3. Glenoid cavity is a depression with which the thigh bone articulates
4. Parietal bone and the temporal bone of the skull are joined by a fibrous joint
1. First vertebra is axis which articulates with the occipital condyles
2. The 9th and 10th pairs of ribs are called the floating ribs
3. Glenoid cavity is a depression with which the thigh bone articulates
4. Parietal bone and the temporal bone of the skull are joined by a fibrous joint
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Which of the following pair (of structure matched with their description) is correct?
|
Structure |
Description |
|
|
1. |
Cartilage and cornea |
No blood supply but do require oxygen for respiratory need |
|
2. |
Shoulder joint and elbow joint |
Balls and socket type of joint |
|
3. |
Premolars and molars |
20 in all and 3-rooted |
|
4. |
Tibia and fibula |
Both form parts of the knee joint |
Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair.
| Pairs of skeletal parts | Category | |
| 1. | Malleus and stapes | Ear ossicles |
| 2. | Sternum and ribs | Axial skeleton |
| 3. | Clavicle and glenoid cavity | Pelvic girdle |
| 4. | Humerus and ulna | Appendicular skeleton |
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Select the correct statement regarding the specific disorder of muscular or skeletal system.
| 1. | Myasthenia gravis - Autoimmune disorder which inhibits sliding of myosin filaments. |
| 2. | Gout - Inflammation of joints due to extra deposition of calcium. |
| 3. | Muscular dystrophy - Age related shortening of muscles. |
| 4. | Osteoporosis - Decrease in bone mass and higher chances of fractures with advancing age. |
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Which one of the following pairs of chemical substances are correctly categorized?
|
Enzymes |
Characteristics |
|
|
1 |
Troponin and myosin |
Complex protein in striated muscles |
|
2 |
Secretin and rhodopsin |
Polypeptide hormones |
|
3 |
Calcitonin and thymosin |
Thyroid hormones |
|
4 |
Pepsin and prolactin |
Two digestive enzymes secreted in stomach |
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Select the correct statement with respect to locomotion in humans:
1. A decreased level of progesterone causes osteoporosis in old people
2. Accumulation of uric acid crystals in joints causes their inflammation
3. The vertebral column has 10 thoracic vertebrae
4. The joint between adjacent vertebrae is a fibrous joint
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Select the correct matching of the characteristics and an example of a synovial joint in humans:
|
Characteristics |
Examples |
|
|
1. |
Fluid cartilage between two bones, limited movements |
Knee joint |
|
2. |
Fluid filled between two joints, provide cushion |
Skull bones |
|
3. |
Fluid filled synovial cavity between two bones |
Joint between atlas and axis |
|
4. |
Lymph filled between two bones, limited movement |
Gliding joint between carpals |
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Glenoid cavity articulate
1. Clavicle with acromion
2. Scapula with acromion
3. Clavicle with scapula
4. Humerus with scapula
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Which one of the following joints would allow no movement?
1. Ball and socket joint
2. Fibrous joint
3. Cartilaginous joint
4. Synovial joint
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It is much easier for a small animal to run uphill than for a large animal, because
1. It is easier to carry a small body weight
2. Smaller animals have a higher metabolic rate
3. Small animals have a lower O2 requirement
4. The efficiency of muscles in large animals is less than in the small animals
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