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Q. No.The given diagram shows a representation of a synovial joint found between atlas and axis vertebrae. What is this type of synovial joint called?
1.
Hinge
2.
Ball and socket
3.
Pivot
4.
Saddle
Subtopic: Synovial Joint |
79%
From NCERT
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Which of the following bones is not a part of human cranium?
| 1. | Sphenoid | 2. | Maxilla |
| 3. | Ethmoid | 4. | Occipital |
Subtopic: Number of Bone in Axial Skeleton | Axial Skeleton |
83%
From NCERT
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Subtopic: Number of Bone in Appendicular Skeleton |
61%
From NCERT
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Identify the incorrect statement regarding the ultra-structure of a skeletal muscle:
| 1. | Z lines bisect the I band |
| 2. | G actin is a polymer of F actins |
| 3. | A subunit of troponin masks active binding sites for myosin on the actin filament. |
| 4. | Globular head of myosin has ATPase activity. |
Subtopic: Skeletal Muscle: Myofilaments |
76%
From NCERT
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Which of the following is not a correctly matched pair?
| 1. | Ear ossicles | Total 6 in number |
| 2. | Pubic symphysis | Fibrous cartilage |
| 3. | Gliding joint | Between atlas and axis vertebrae |
| 4. | Scapula | Glenoid cavity |
Subtopic: Fibrous & Catilaginous Joints |
82%
From NCERT
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The increase of the level of which of the following in the sarcoplasm of a skeletal muscle fibre will lead to the contraction of a muscle?
1. Acetylcholine
2. ATP
3. Calcium ions
4. Troponin C
1. Acetylcholine
2. ATP
3. Calcium ions
4. Troponin C
Subtopic: Excitation Contraction Coupling I | Excitation Contraction Coupling II | Sliding Filament Theory |
85%
From NCERT
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All the following are examples of synovial joints except:
1. joint between carpal bones
2. joint between adjacent thoracic vertebrae
3. joint between atlas and axis vertebra
4. joint between the humerus and pectoral girdle
1. joint between carpal bones
2. joint between adjacent thoracic vertebrae
3. joint between atlas and axis vertebra
4. joint between the humerus and pectoral girdle
Subtopic: Fibrous & Catilaginous Joints | Synovial Joint |
80%
From NCERT
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The facial skeleton bones in the human skull do not include:
| 1. | Zygomatic | 2. | Sphenoid |
| 3. | Nasal | 4. | Maxilla |
Subtopic: Axial Skeleton |
76%
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The ‘H-zone’ in a sarcomere:
| 1. | is the central part of thick filaments not overlapped by thin filaments |
| 2. | is the peripheral part of thick filaments not overlapped by thin filaments |
| 3. | is the central part of thick filaments overlapped by thin filaments |
| 4. | is the peripheral part of thick filaments overlapped by thin filaments |
Subtopic: Skeletal Muscle: Sarcomere |
86%
From NCERT
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The coxal bone in the human skeleton:
| 1. | is a part of the pectoral girdle, has a glenoid cavity that articulates with the head of the femur. |
| 2. | is a part of the pelvic girdle, has an acetabulum that articulates with the head of the humerus. |
| 3. | is a part of the pelvic girdle and is formed by the fusion of three bones. |
| 4. | is a part of pectoral girdle and is formed by the fusion of three bones. |
Subtopic: Appendicular Skeleton | Appendicular Skeleton: Girdle |
80%
From NCERT
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