EASY
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How does muscle relaxation reduce stress?

Important Questions on Locomotion and Movement

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
Choose the incorrect statement about muscle contraction from the following:
EASY
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
Regulatory proteins in a myofibril are
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:
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 
HARD
Biology>Human Physiology>Locomotion and Movement>Muscular System

How does muscle cells change their shape?

HARD
Biology>Human Physiology>Locomotion and Movement>Muscular System
Due to constant writing, muscles of hands show fatigueness because_____.
EASY
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
HARD
Biology>Human Physiology>Locomotion and Movement>Muscular System

During muscular contraction which of the following events occur?
(a) 'H' zone disappears
(b) 'A' band widens
(c) 'I' band reduces in width
(d) Myosin hydrolyzes ATP, releasing the ADP and Pi
(e) Z-lines attached to actins are pulled inwards.

Choose the correct answer from the options given below.

EASY
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
MEDIUM
Biology>Human Physiology>Locomotion and Movement>Muscular System
Which of the following is not a character of red muscle?
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
Which one of the following proteins does not play a role in skeletal muscle contraction?
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
Distinguish between red muscle fires and white muscle fibres,
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
Which of the following will NOT be triggered by the release of acetylcholine in the synapse at the neuromuscular junction during muscle contraction?
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
Identify the correct statement with reference to shortening of sarcomere
EASY
Biology>Human Physiology>Locomotion and Movement>Muscular System
During muscle contraction
HARD
Biology>Human Physiology>Locomotion and Movement>Muscular System
Which of the following option shows correct order of some stages of muscle contraction from the beginning to the end of the process?