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Biology 12 Chapter 14 Respiration - 19
1.
How many vocal cords are present in human respiratory system?
a) Three
b) One
c) Four
d) Two
2.
Where are vocal cords present in human respiratory system?
a) Larynx
b) Bronchi
c) Pharynx
d) Trachea
3.
By which of the following, vocal cords are composed of?
a) Vestibular plates
b) The cartilage plates
c) Pleural membranes
d) Mucus membranes
4.
How is mucus membranes of vocal cords stretched across the larynx?
a) Vertically
b) Mucus membranes are not located in larynx
c) Horizontally
d) Vocal cords are present in pharynx
5.
What is the organ of voice production?
a) Pharynx
b) Larynx
c) Bronchi
d) Trachea
6.
Which of the following part of respiratory system serves as voice production?
a) Bronchi
b) Pharynx
c) Larynx
d) Alveoli
7.
What is the organ of phonation?
a) Bronchi
b) Trachea
c) Larynx
d) Pharynx
8.
Which of the following serves as an air canal to the lungs?
a) Pharynx
b) Alveoli
c) Bronchi
d) Larynx
9.
Which of the following serves as controller of access of air to the lungs?
a) Alveoli
b) Pharynx
c) Bronchi
d) Larynx
10.
What is the function of larynx?
a) Organ of phonation
b) As an air canal to the lungs
c) Controller of its access
d) All of these
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