Gaseous Exchange MCQs

Which structure actively helps in taking the air out of lungs?

A. Nasal cavity
B. Bronchus
C. Bronchiole
D. Diaphragm
View Answer

D. Diaphragm

Where does the gaseous exchange occur in humans?

A. Pharynx
B. Trachea
C. Bronchi
D. Alveoli
View Answer

D. Alveoli

How many bronchi are there in the air passageway?

A. One
B. Two
C. Many
D. None
View Answer

B. Two

Most of the gaseous exchange in a leaf occurs through?

A. Stomata
B. General surface
C. Cuticle
D. Lenticels
View Answer

A. Stomata

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