EASY
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What is meant by summation in muscle contraction?

Important Questions on Locomotion and Movement

EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
Which one of the following proteins does not play a role in skeletal muscle contraction?
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Biology>Human Physiology>Locomotion and Movement>Muscular System
Arrange the following in a sequence from edge to centre in a sarcomere.
A) M-line
B) Z-line
C) H-zone
D) I-band
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Biology>Human Physiology>Locomotion and Movement>Muscular System
Regulatory proteins in a myofibril are
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
Identify the correct statement with reference to shortening of sarcomere
MEDIUM
Biology>Human Physiology>Locomotion and Movement>Muscular System
Sliding filament theory can be best explained as:
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
Neurotransmitter released at the neuromuscular junction of a voluntary muscles is:
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Biology>Human Physiology>Locomotion and Movement>Muscular System
Assertion (A) : Skeletal muscle fibre is in syncytial state
Reason (R):  It is formed by fusion of cells
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Biology>Human Physiology>Locomotion and Movement>Muscular System
Lack of relaxation between successive stimuli in sustained muscle contraction is known as:
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
Name the ion responsible for the unmasking of active sites for myosin for cross-bridge activity during muscle contraction.
MEDIUM
Biology>Human Physiology>Locomotion and Movement>Muscular System
Which of the following is not a character of red muscle?
HARD
Biology>Human Physiology>Locomotion and Movement>Muscular System
Which type of tissue is correctly paired with its location?
HARD
Biology>Human Physiology>Locomotion and Movement>Muscular System
Calcium important in skeletal muscle contraction because 
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
Stiffening of the muscles after death of animal is called _____.
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
T-tubules are formed as inward extension of _____. (Sarcolemma / sarcoplasmic reticulum / sarcomere / sarcoplasm).
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Biology>Human Physiology>Locomotion and Movement>Muscular System
Protein contains in thick and thin filaments of myofibrils are _____ and actin respectively.
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Biology>Human Physiology>Locomotion and Movement>Muscular System
Skeletal muscle fibres with more mitochondria and myoglobin are termed as _____ muscle fibres.
MEDIUM
Biology>Human Physiology>Locomotion and Movement>Muscular System
The collagenous connective tissue layer holding the muscle bundles together is _____. (fascia/pleura/pericardium/sarcoplasm)
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
The instantaneous contraction followed by relaxation of muscle by single electric shock is called muscle _____. (tone / twitch / treppe / fatigue)
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
A brief period during which the muscle is not excitable to a second stimulus, is called as _____.
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
The shape of involuntary muscle fibres are _____ in shape.