The skeleton of the head is called

1.  Hyoid

2.  Skull

3.  Ossicle

4.  Cartilage 

Subtopic:  Human Skeleton: Introduction, Function, Parts |
 96%
From NCERT
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The anaerobic contraction of skeletal muscle causes deposition or accumulation of

1.  Gluconic acid

2.  Lactic acid

3.  Pyruvic acid

4.  Hydrochloric acid 

Subtopic:  Energy for Muscle Contraction |
 96%
From NCERT
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Muscle fatigue occurs due to the accumulation of

1.  CO2

2.  Myosin ATPase

3.  Lactic acid

4.  Creatine phosphate 

 

Subtopic:  Energy for Muscle Contraction |
 95%
From NCERT
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Globular head of myosin molecule act as

1.  ATPase

2.  CTPase

3.  TTPase

4.  GTPase 

Subtopic:  Energy for Muscle Contraction |
 98%
From NCERT
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Contractile unit of muscle is part of myofibril between

1.  Z-line and l-band

2.  Z-line and Z-line

3.  Z-line and A-band

4.  A-band and l-band 

Subtopic:  Excitation Contraction Coupling II |
 78%
From NCERT
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The ion that must be present in an adequate amount for binding of cross-bridges with actin is 

1.  Ca+2

2.  Na+

3.  K+

4.  Mg+2

Subtopic:  Excitation Contraction Coupling II |
 96%
From NCERT
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According to the sliding filament theory of muscle contraction, the filament that move to shorten a muscle are 

1.  Myosin

2.  Actin

3.  Collagen

4.  Creatine phosphate 

Subtopic:  Excitation Contraction Coupling II |
 83%
From NCERT
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In a contracted skeletal muscle fiber

1.  M line disappears

2.  H-zone elongates

3.  l-band remains constant

4.  A-band disappears 

Subtopic:  Excitation Contraction Coupling II |
 74%
From NCERT
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Sheet or broadband of fibrous connective tissue that is deep to the skin and surrounds entire muscles and other organs of the body are

1.  Epimysium

2.  Fascicule

3.  Endomysium

4.  Fascia 

Subtopic:  Skeletal Muscle: Basic Anatomy |
 59%
From NCERT
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The muscle is a specialised tissue which is originated from

1.  Endoderm

2.  Mesoderm

3.  Ectoderm

4.  Yolk sac 

Subtopic:  Skeletal Muscle: Basic Anatomy |
 92%
From NCERT
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