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Q. No.Tetany is characterised by:
1.
arthritis in multiple joints of the body
2.
wild contractions in muscle due to low Ca2+ in body fluid
3.
flaccid paralysis due to high K+ in body fluid
4.
atrophy of muscle due to prolonged disuse
Subtopic: Disorders of Muscular and Skeletal System |
98%
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Consider the given two statements:
| Assertion (A): | The incidence of osteoporosis is higher in post-menopausal women. |
| Reason (R): | Post-menopausal women have a decreased level of estrogen. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | Both (A) and (R) are False. |
| 4. | (A) is True and (R) is False. |
Subtopic: Disorders of Muscular and Skeletal System |
93%
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Regarding the ultra-structure of a sarcomere, the Z line corresponds to:
| 1. | a band where only actin molecules are found |
| 2. | a band where only myosin molecules are found |
| 3. | an attachment point for actin molecules |
| 4. | an attachment point for myosin molecules |
Subtopic: Skeletal Muscle: Myofilaments | Skeletal Muscle: Sarcomere |
78%
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Arrange the given events in the correct chronological sequence of their occurrence [earliest to last] in which they occur during a single stimulation of a skeletal muscle.
A. active sites on actin myofilament are exposed
B. actin myofilament slides over myosin myofilament
C. Ca2+ ion binds to troponin
D. myosin heads move
E. cross bridges form
1. E – A – C – D - B
2. A – C – E – D - B
3. C – A – E – D - B
4. C – E – A – D - B
A. active sites on actin myofilament are exposed
B. actin myofilament slides over myosin myofilament
C. Ca2+ ion binds to troponin
D. myosin heads move
E. cross bridges form
1. E – A – C – D - B
2. A – C – E – D - B
3. C – A – E – D - B
4. C – E – A – D - B
Subtopic: Sliding Filament Theory |
89%
From NCERT
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Identify the correct statements:
1. Only I and II
2. Only II and III
3. Only I
4. I, II and III
| I: | A synovial joint is a freely moveable joint. |
| II: | A cartilaginous joint does not allow any movement. |
| III: | A fibrous joint allows limited movement. |
1. Only I and II
2. Only II and III
3. Only I
4. I, II and III
Subtopic: Synovial Joint |
92%
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How many of the given pairs are correctly matched:
1. 2
2. 3
3. 4
4. 5
| I: | Ball and socket joint | Between humerus and pectoral girdle |
| II: | Hinge joint | Knee joint |
| III: | Pivot joint | Between atlas and occipital bone |
| IV: | Gliding joint | Between the carpals |
| V: | Saddle joint | Between carpal and metacarpal of thumb |
1. 2
2. 3
3. 4
4. 5
Subtopic: Synovial Joint |
57%
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Consider the given two statements:
| Assertion(A): | Synovial joints allow considerable movement. |
| Reason(R): | Synovial joints are characterised by the presence of a fluid filled synovial cavity between the articulating surfaces of the two bones. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | Both (A) and (R) are False. |
| 4. | (A) is True and (R) is False. |
Subtopic: Synovial Joint |
88%
From NCERT
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The thigh bone articulates the coxal bone at:
1. Obturator foramen
2. Glenoid cavity
3. Acetabulum
4. Olecranon fossa
1. Obturator foramen
2. Glenoid cavity
3. Acetabulum
4. Olecranon fossa
Subtopic: Appendicular Skeleton |
89%
From NCERT
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Scapula:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | is a large triangular flat bone situated in the dorsal part of the thorax between the second and the seventh ribs. |
| II: | has an expanded process called the acromion. |
| III: | has glenoid cavity which articulates with the head of the humerus to form the shoulder joint. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Axial Skeleton: I | Axial Skeleton: II | Appendicular Skeleton |
87%
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Clavicle:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | is a part of the pectoral girdle. |
| II: | articulates with acromion process of scapula and with sternum |
| III: | is commonly called the collar bone. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Appendicular Skeleton |
69%
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