1. Locomotion requires a perfect coordinated activity of
a) Muscular system
b) Skeletal system
c) Neural system
d) All of these
Explanation: All of these
2. Muscle is derived from
a) Mesoderm
b) Ectoderm
c) Endoderm
d) All of these
Explanation: Muscle is derived from Mesoderm.
3.Muscle forms __________ of adult human body.
a) 30−40%
b) 40−50%
c) 50−60%
d) 60−70%
Explanation: Muscle forms 40−50% of adult human body.
4. Muscles are characterized by
a) Excitability and contractility
b) Extensibility
c) Elasticity
d) All of these
Explanation: All of these
5. Muscles can be classified on which of the following criterion?
a) Location
b) Appearance
c) Nature of regulation of their activities
d) All of these
Explanation: All of these
6. How many types of muscles can be identified depending upon the location?
a) 1
b) 2
c) 3
d) 4
Explanation: 3 types of muscles
7. Which of the following is incorrect about skeletal muscles?
a) Striped appearance under microscope hence called striated muscle.
b) They are voluntary muscles.
c) Primarily involved in locomotory actions and changes the body postures.
d) They are Involuntary muscles.
Explanation: "They are Involuntary muscles". This is incorrect about skeletal muscles.
8. Which of the following is incorrect about visceral muscles?
a) Non-striated muscle (Smooth muscle)
b) Involuntary muscle
c) Located in inner walls of hollow visceral organs of the body
d) They are under in voluntary control
Explanation: "They are under in voluntary control". This is incorrect about visceral muscles.
9.Smooth muscles help in
a) Transportation of food through the digestive tract
b) Transfer of gametes through genital tract
c) Micturition by urinary bladder
d) All the above
Explanation: All the above
10. Cardiac muscle is characterized by
a) Striated appearance
b) Involuntary control
c) Branching pattern
d) All of these
Explanation: All of these