Question # 1

Power of speaking is only gifted to:

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Human being

Monkey

Parrot

Crow

In human and other higher animals, the exchange of gases is carried out by:

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Skin

Respiratory

Air passageway

Lungs

Where does the gaseous exchange occur in humans:

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Pharynx

Larynx

Trachea

Epiglottis

What happens during Exhalation?

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Ribs muscles relax

Diaphragm become dome shaped

Pressure on lungs increased

All of these

Rate of breathing depends upon concentration of which gas:

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Oxygen

Carbon dioxide

Nitrogen

Hydrogen

In man the system of gaseous exchange is:

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digestive system

respiratory system

nervous system

excretory system

The length of trachea is:

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10 cm

12 cm

22 cm

20 cm

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.

Lungs are enclosed in a membrane called;

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peritonium

pleural membrane

epidermis pericardium

In human which process occurs in alveoli?

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Tranport

Nutition

Gaseous Exchange

Reproduction

Smoking may also lead to the cancers in:

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Kidneys and pancreas

Oral cavity and larynx

Breast and bladder

All of them

In wood seems and roots the gaseous:

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lenticels

epidermal cells

somata

micropyle

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

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Asthma

Pneumonia

Emphysema

Bronchitis

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