Question # 1

Cartilage is absent in:

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larynx

trachea

bronchi

bronchioles

Every year "World Day" is celebrated on:

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31 May

30 May

31 March

21 March

Main role to give out air form lungs is;

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Bronchus

Bronchi

Bronchiote

Diaphragm

Point out the FALSE statement about respiration.

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Gases can easily pass through the walls of the alveoli

Gas exchange in lungs is very efficient because lungs provide large surface area

In emphysema, the walls of alveoli break and there is more surface area.

Dust particles can damage the lung by irritating the inner alveoli surface.

Gaseous Exchange in cow takes in:

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Bronchi

Tranchea

Pharynx

Alveoli

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

The number of lobes in right lung is:

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1

2

3

4

Amount of oxygen in expired air is:

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21%

16%

0.04%

4%

Amount of carbon dioxide in inspired air is:

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16%

0.04%

4%

None of these

In human which process occurs in alveoli?

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Tranport

Nutition

Gaseous Exchange

Reproduction

C-Shaped cartilaginous rings are present in the wall of.

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Bronchi

Bronchioles

Alveoli

Trachea

What happens during Exhalation?

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Ribs muscles relax

Diaphragm become dome shaped

Pressure on lungs increased

All of these

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