Breathing and Respiration (Respiratory Organs in Animals, Respiratory System in Humans,...) NEET Questions

Biology - Human Physiology

Breathing and Respiration (Respiratory Organs in Animals, Respiratory System in Humans,...) MCQ Questions


7.
The common passage for food and air in humans is:
A.
Larynx
B.
Trachea
C.
Pharynx
D.
Bronchi
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ANSWER :
C. Pharynx
8.
Larynx is also called as:
A.
Voice box / sound box
B.
Wind pipe
C.
Adam's apple
D.
Glottis
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ANSWER :
A. Voice box / sound box
9.
Entry of food into the larynx during swallowing is prevented by:
A.
Glottis
B.
Pharynx
C.
Soft palate
D.
Epiglottis
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ANSWER :
D. Epiglottis
10.
The trachea divides into a right and left primary bronchi at the level of:
A.
5th thoracic vertebra
B.
3rd thoracic vertebra
C.
7th thoracic vertebra
D.
1st thoracic vertebra
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ANSWER :
A. 5th thoracic vertebra
11.
Which structures are supported by incomplete cartilaginous rings?
A.
Only trachea
B.
Alveoli
C.
Trachea, primary, secondary, tertiary bronchi and initial bronchioles
D.
Only bronchi
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ANSWER :
C. Trachea, primary, secondary, tertiary bronchi and initial bronchioles
12.
Alveoli are described as:
A.
Thick-walled non-vascularised structures
B.
Very thin, irregular-walled and vascularised bag-like structures
C.
Cartilaginous tubes
D.
Smooth muscle-walled tubes
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ANSWER :
B. Very thin, irregular-walled and vascularised bag-like structures