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Biology 12 Chapter 14 Respiration - 20
1.
Which of the following part of respiratory system serves as the organ of phonation?
a) Bronchi
b) Pharynx
c) Alveoli
d) Larynx
2.
What is meant by phonation?
a) Sound production
b) Voice production
c) None of these
d) Both of these
3.
Interconnection of which of the following allows humans to breathe either through their nose or the mouth?
a) Interconnection of tracheal and alveolar regions
b) Interconnection of oral and nasal regions
c) Interconnection of oral and tracheal regions
d) Interconnection of alveolar and nasal regions
4.
Which of the following is the membranous tube?
a) Whichoofttheffollowingiisccalledwwindpipe?
b) Alveoli
c) Trachea
d) Bronchi
e) Trachea
f) Pharynx
5.
Which of the following has inside diameter of 12mm?
a) Bronchi
b) Pharynx
c) Trachea
d) Larynx
6.
What is the inside diameter of trachea?
a) 12cm
b) 10mm
c) 12mm
d) 10cm
7.
What is the outside diameter of trachea?
a) 12cm
b) 10cm
c) None of these
d) 10-12 cm
8.
Which of the following descends from larynx to the level of 5th thoracic vertebra?
a) Larynx
b) Bronchi
c) Pharynx
d) Trachea
9.
Trachea descends from larynx to the level of .............thoracic vertebra?
a) Fifth
b) Second
c) Sixth
d) Fourth
10.
What is the length of trachea?
a) 12-14 cm
b) 5-10 cm
c) 10-12 cm
d) 14-16 cm
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