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 |
 86%
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
Subtopic:  Sliding Filament Theory | Muscle Contraction: Other Considerations |
 72%
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 |
 75%
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 |
 82%
From NCERT
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The total number of bones in the skeleton of girdles in adult humans is:
1.22.4
3.64.12
Subtopic:  Number of Bone in Appendicular Skeleton |
 60%
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 |
 75%
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 |
 81%
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
Subtopic:  Excitation Contraction Coupling I | Excitation Contraction Coupling II | Sliding Filament Theory |
 84%
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
Subtopic:  Fibrous & Catilaginous Joints | Synovial Joint |
 79%
From NCERT
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The facial skeleton bones in the human skull do not include:
1.Zygomatic2.Sphenoid
3.Nasal4.Maxilla
Subtopic:  Axial Skeleton |
 74%
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