Question # 1

All the alveoli of one side unite to form:

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Lung

Kidney

Thorax

Chest Box

Amount of nitrogen in expired air is:

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70%

80%

79%

4%

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

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Nasal cavity

Bronchus

Bronchiole

Diaphragm

Gaseous Exchange in cow takes in:

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Bronchi

Tranchea

Pharynx

Alveoli

Where does the gaseous exchange occur in humans:

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Pharynx

Larynx

Trachea

Epiglottis

In wood seems and roots the gaseous:

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lenticels

epidermal cells

somata

micropyle

Rate of breathing depends upon concentration of which gas:

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Oxygen

Carbon dioxide

Nitrogen

Hydrogen

Percentage of CO₂ in exhaled are during breathing is:

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16%

4%

79%

0.04%

The normal breathing rate in buman being is:

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10-40 times per minute

16-20 times per minute

30-40 times per minute

None of these

How many lobs are present in right lung?

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2

3

4

5

Which kind of blood vessels are present around the alveoli?

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Artery

Capillary

Arteriole

Veins

The inflamation of bronchi or bronchioles is caled:

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Bronchites

Emphysema

Pneumonia

Chest box

Glottis is a narrow opening at the floor of:

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Nasal cavity

Nostril

Pharynx

Antibiotics

The number of lobes in right lung is:

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1

2

3

4

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