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Sarcosomes are specialised endoplasmic reticulum of a striated muscle fibre.

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Important Questions on Locomotion and Movement

MEDIUM
Biology>Human Physiology>Locomotion and Movement>The Muscular System
Which of the following is not a character of red muscle?
EASY
Biology>Human Physiology>Locomotion and Movement>The Muscular System
Distinguish between red muscle fires and white muscle fibres,
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Biology>Human Physiology>Locomotion and Movement>The 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>The 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>The Muscular System
Lack of relaxation between successive stimuli in sustained muscle contraction is known as:
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Biology>Human Physiology>Locomotion and Movement>The 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>The Muscular System
Regulatory proteins in a myofibril are
MEDIUM
Biology>Human Physiology>Locomotion and Movement>The Muscular System
How do you distinguish between a skeletal muscle and a cardiac muscle?
MEDIUM
Biology>Human Physiology>Locomotion and Movement>The Muscular System
Which one of the following is wrongly matched?
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Biology>Human Physiology>Locomotion and Movement>The Muscular System
Which of the following is incorrect w.r.t. smooth muscles?
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Biology>Human Physiology>Locomotion and Movement>The Muscular System
______fibres taper at both ends (fusiform) and do not show striations.
MEDIUM
Biology>Human Physiology>Locomotion and Movement>The Muscular System

Write the difference between:

Red and White muscles.

MEDIUM
Biology>Human Physiology>Locomotion and Movement>The Muscular System
The contractile protein of skeletal muscle involving ATPase activity is :-
MEDIUM
Biology>Human Physiology>Locomotion and Movement>The Muscular System
Which one of the following pairs of chemical substances is correctly categorized?
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Biology>Human Physiology>Locomotion and Movement>The Muscular System
Which of the following is a contractile protein of a muscle?
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Biology>Human Physiology>Locomotion and Movement>The Muscular System
The energy that is released by the hydrolysis of ATP by actin is used for:
EASY
Biology>Human Physiology>Locomotion and Movement>The Muscular System
Almost all muscles are derived from embryonic_____.
HARD
Biology>Human Physiology>Locomotion and Movement>The Muscular System
Read the statements regarding muscle proteins.

1. Actin is a thin filament and is made up of two F-actins.

2. The complex protein, tropomyosin is distributed at regular inervals of troponin.

3. Myosin is a thick filament which is also a polymerized protein.

4. The globular head of meromyosin consists of light meromyosin (LMM).

Which of the above statements are correct?
HARD
Biology>Human Physiology>Locomotion and Movement>The Muscular System
When body part moves towards the median axis the muscle is called :-
EASY
Biology>Human Physiology>Locomotion and Movement>The Muscular System
The light bands of skeletal muscles are known as