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Q. No.In a healthy human adult, what contributes maximum to the total body weight?
1. Muscle
2. Bone
3. Fat
4. Hair
Subtopic: Introduction to Locomotion | Skeletal Muscle: Basic Anatomy |
87%
From NCERT
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The relaxation of muscle after contraction is related to:
1. Hydrolysis of ATP by the myosin head
2. binding of calcium ions to Troponin C
3. Pumping of calcium ions back to the sarcoplasmic cisternae
4. Release of acetylcholine at the neuro-muscular junction
1. Hydrolysis of ATP by the myosin head
2. binding of calcium ions to Troponin C
3. Pumping of calcium ions back to the sarcoplasmic cisternae
4. Release of acetylcholine at the neuro-muscular junction
Subtopic: Sliding Filament Theory | Muscle Contraction: Other Considerations |
74%
From NCERT
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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 |
62%
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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