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Q. No.Identify the correct statements:
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 |
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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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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%
From NCERT
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Identify the correct statements:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | Macrophages in body and leucocytes in blood exhibit amoeboid movement. |
| II: | Passage of ova through the female reproductive tract is facilitated by the ciliary movement. |
| III: | Human sperm moves with the help of flagellum |
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Introduction to Locomotion |
83%
From NCERT
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Bundles of skeletal muscle fibres called fascicles are enclosed by a connective tissue known as:
| 1. | Fascia | 2. | Perimysium |
| 3. | Endomysium | 4. | Epimysium |
Subtopic: Skeletal Muscle: Basic Anatomy |
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An autoimmune disease resulting in muscle weakness because of abnormal functioning of the neuromuscular junction is:
| 1. | poliomyelitis | 2. | myasthenia gravis |
| 3. | multiple sclerosis | 4. | Duchenne muscular dystrophy |
Subtopic: Disorders of Muscular and Skeletal System |
89%
From NCERT
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To form the largest ball and socket joint in our body, the head of the femur articulates with the:
1. glenoid cavity
2. acetabulum
3. obturator foramen
4. patella
1. glenoid cavity
2. acetabulum
3. obturator foramen
4. patella
Subtopic: Synovial Joint |
77%
From NCERT
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How many of the given statements are correct?
1. 3
2. 4
3. 5
4. 6
| I. | There are 8 cranial bones in human skull. |
| II. | There are 7 cervical vertebrae in Giraffe. |
| III. | There are 7 tarsal bones in human ankle. |
| IV. | There are 8 carpal bones in human wrist. |
| V. | There are 30 bones in each human limb. |
| VI. | There are 26 vertebrae in human adults. |
2. 4
3. 5
4. 6
Subtopic: Appendicular Skeleton | Axial Skeleton |
67%
From NCERT
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The joint between the adjacent vertebrae in the vertebral column:
I: is a fibrous joint
II: permits limited movements
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I: is a fibrous joint
II: permits limited movements
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Fibrous & Catilaginous Joints |
72%
From NCERT
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Which regions of the adult human vertebral column is formed by fusion of some vertebrae?
1. cervical and thoracic
2. thoracic and lumbar
3. lumbar and sacral
4. sacral and coccygeal
1. cervical and thoracic
2. thoracic and lumbar
3. lumbar and sacral
4. sacral and coccygeal
Subtopic: Vertebral column | Axial Skeleton |
85%
From NCERT
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