EASY
Earn 100

Distinguish between red muscle fibres and white muscle fibres.

Important Questions on Musculo-Skeletal System

EASY
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Regulatory proteins in a myofibril are
MEDIUM
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Choose the incorrect statement about muscle contraction from the following:
MEDIUM
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Which of the following is not a character of red muscle?
EASY
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Which one of the following proteins does not play a role in skeletal muscle contraction?
MEDIUM
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Sliding filament theory can be best explained as:
EASY
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human 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
EASY
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Lack of relaxation between successive stimuli in sustained muscle contraction is known as:
EASY
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Assertion (A) : Skeletal muscle fibre is in syncytial state
Reason (R):  It is formed by fusion of cells
HARD
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System

How does muscle cells change their shape?

HARD
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Due to constant writing, muscles of hands show fatigueness because_____.
EASY
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Distinguish between red muscle fires and white muscle fibres,
HARD
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human 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 Anatomy and Physiology-III>Musculo-Skeletal System>Human 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 Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Identify the correct statement with reference to shortening of sarcomere
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Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
During muscle contraction
HARD
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human 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?
HARD
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Which statement is correct with respect to muscle contraction?
EASY
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Choose the wrongly matched pair.
HARD
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Which of these events does not occur at neuromuscular junction of skeletal muscle on stimulation?
EASY
Biology>Human Anatomy and Physiology-III>Musculo-Skeletal System>Human Muscular System
Study the following sentence:

I. The accumulation of pyruvic acid in the muscle causes fatigue.

II. ATP is resynthesized in the muscle by the phosphorylation of ADP by a phosphogen.

III. Cori and Cori's cycle occurs in the muscles.

IV. The phosphogen in the vertebrate muscle is arginine phosphate.

The correct set of answers for muscle contraction is