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Biology 10 Chapter 13 - Support and Movement - 20
1.
When a muscle is stimulated by a........................, it contracts to become shorter and thicker?
a) Muscular tissues
b) Nervous tissues
c) Nerve impulse
d) Bony tissues
2.
When a muscle is stimulated by a nerve impulse, it contracts to become.................?
a) Thinner
b) Softer
c) Shorter
d) Longer
3.
Usually, in what pairs skeletal muscles are present?
a) Pairs of extensors
b) Pairs of insertion
c) Pairs of flexors
d) Pairs of antagonists
4.
How many muscles are present in an antagonistic pair?
a) Three
b) Four
c) Two
d) Five
5.
In an antagonistic pair, what do both muscles do?
a) Light jobs
b) Opposite jobs
c) Heavy jobs
d) Similar jobs
6.
When one muscle contracts, what does the other muscle do?
a) Expands
b) Collapse
c) Relaxes
d) Also contracts
7.
What is the phenomena called in which, when one muscle contracts the other relaxes?
a) Extension
b) Flexion
c) Antagonism
d) Insertion
8.
What is the muscle called which contracts and bends the joint?
a) Biceps
b) Triceps
c) Flexor
d) Extensor
9.
What is the movement called in which a muscle contracts and bends the joint?
a) Insertion
b) Origin
c) Extension
d) Flexion
10.
What is the muscle called which contracts and straightens the joint?
a) Flexor
b) Biceps
c) Extensor
d) Triceps
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