Question # 1

Lungs are enclosed in a membrane called;

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peritonium

pleural membrane

epidermis pericardium

How many lobs are present in right lung?

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2

3

4

5

The rate of breathing at rest in human is:

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16-20 times per minute

70-80times per minute

80-100times per minute

10 -20 times per minute

Where does the gaseous exchange occur in humans:

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Pharynx

Larynx

Trachea

Epiglottis

Which disease is involved in the breakdown of air sacs of the lungs?

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Bronchites

Emphysema

Pneumonia

Asthema

In which of the following gaseous exchange occur through stomata?

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The leaves and young stems

Wood stems and nature roots.

Young roots

The aquatic plants

Which of the following is called voice box?

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Trachea

Larynx

Bronchi

Alveoli

A thick muscular layer beneath lungs is called:

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Kidney

Diaphragm

Bladder

Ureter

In man the correct passage of air is:

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nostrils, nasal, cavit, pharynx, trachea, arynxl, bronchi, bronchioles alveolar,duct, aleoli

nostrils, nasal cavity, Pharynx, larynx , bronchi, trachea , bronchioles , alveolar duct, alveoli

Notrils , nasal, cavity, larynx, pharynx, trachea,bronchioles, alveolar, duct alveoli,

Nasal cavity, nostrils, larynx, pharynx, alveoli , trachea bronchi, bronchioles ,alveolar dict ,

Most of the gaseous exchange in a leaf occurs through:

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Stomata

General surface

Cuticle

Lenticels

Rate of breathing depends upon concentration of which gas:

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Oxygen

Carbon dioxide

Nitrogen

Hydrogen

Amount of nitrogen in expired air is:

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70%

80%

79%

4%

The correct list of respiratory disorders is;

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Asthma, emphysema. pneumonia , bronchitis

Asthma , penumonia , heamophlia , typhoid,

Asthma , blood , cancer , emphysema, cholera

Asthma , cholera, emphysema , malaria

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