Question # 1

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

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Nasal cavity

Bronchus

Bronchiole

Diaphragm

The respiratory disease that is the destruction of the walls of Alveoli is;

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Asthma

Pneumonia

Emphysema

Bronchitis

The primary chemical stimulus for breathing is the concentration of.

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Carbon dioxide in blood.

Oxygen in blood

Carbon oxide in muscles

Oxygen in muscles.

The glottis is guarded by a flap of tissue called:

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Trachia

Glottis

Bronchi

Epiglottis

What type of blood vessels surrounds the alveoli?

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Artery

Arteriole

Capillary

Vein

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

All the alveoli of one side unite to form:

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Lung

Kidney

Thorax

Chest Box

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 ,

In wood seems and roots the gaseous:

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lenticels

epidermal cells

somata

micropyle

The length of trachia is __________ cm approximately:

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10

12

14

16

Where does the gaseous exchange occur in humans?

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Pharynx

Trachea

Bronchi

Alveoli

Which kind of blood vessels are present around the alveoli?

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Artery

Capillary

Arteriole

Veins

Most of the gaseous exchange in a leaf occurs through.

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Stomata

General surface

Cuticle

lenticels

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