What is the example of Synergist muscle ?

Important Questions on Skeleton and Movement

EASY

Biology>Human Physiology>Skeleton and Movement>Skeletal Muscles: Structure, Type and Working

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 Physiology>Skeleton and Movement>Skeletal Muscles: Structure, Type and Working

What is sarcomere?

HARD

Biology>Human Physiology>Skeleton and Movement>Skeletal Muscles: Structure, Type and Working

What are antagonistic muscles? Explain with example.

MEDIUM

Biology>Human Physiology>Skeleton and Movement>Skeletal Muscles: Structure, Type and Working

The region between two successive Z-discs is called a

EASY

Biology>Human Physiology>Skeleton and Movement>Skeletal Muscles: Structure, Type and Working

Which of the following is a component of actin filaments of a sarcomere?

EASY

Biology>Human Physiology>Skeleton and Movement>Skeletal Muscles: Structure, Type and Working

The functional unit of a muscle fibre is

HARD

Biology>Human Physiology>Skeleton and Movement>Skeletal Muscles: Structure, Type and Working

Why are muscle rich in creatine phosphate?

HARD

Biology>Human Physiology>Skeleton and Movement>Skeletal Muscles: Structure, Type and Working

Statements:
A. A-bands of the muscle are dark and contain myosin.
B. I-bands are the light bands and contain actin.
C. During muscle contraction the A-band contracts.
D. The part between the two Z-lines is called as sarcomere.
E. The central part of thin filament, not overlapped by thick filament is called H-zone.
With respect to the above statements select the correct option.

HARD

Biology>Human Physiology>Skeleton and Movement>Skeletal Muscles: Structure, Type and Working

The following diagram represents a sarcomere.

Based on the diagram, use the terms - A-Band, H-Zone, I-Band and Z-Line to label the structures represented by A, B, C and D.

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