Question # 1

A thick muscular layer beneath lungs is called:

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Kidney

Diaphragm

Bladder

Ureter

The length of trachia is __________ cm approximately:

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10

12

14

16

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

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Bronchites

Emphysema

Pneumonia

Asthema

In wood seems and roots the gaseous:

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lenticels

epidermal cells

somata

micropyle

The structural and functional unit of lungs is:

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trachea

pharynx

broncioles

alveolus

In plants, gaseous exchange takes place as:

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CO2 is removed and O2 is absorbed

CO2 is absorbed and O2 is removed

CO2 and O2 both are absorbed

CO2 and O2 both are removed

How many carciogens are present in cigarette smoke?

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40

50

60

70

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

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Bronchi

Bronchioles

Alveoli

Trachea

The process of gaseous exchange involves.

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Break down of C-H bounds to yield energy.

Physical movements that take air ain and our of body

Getting oxygen from the air and removing carbon dioxide

Transport of oxygen by the blood to different parts of the body.

No. of bronchi in the air passage way are:

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1

2

3

4

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

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Asthma

Pneumonia

Emphysema

Bronchitis

All the alveoli of one side unite to form:

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Lung

Kidney

Thorax

Chest Box

Amount of oxygen in expired air is:

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21%

16%

0.04%

4%

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