Question # 1

How many bronchi are there in the air passageway?

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One

Two

Many

None of these

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

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Nasal cavity

Bronchus

Bronchiole

Diaphragm

Which bring deoxygenated blood form heart into lungs?

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Pulmonary veins

Pulmonary Artery

Aorta

Wind Pipe

In first stem of glycolysis glucose molecules breaks ans divide into two _______ molecules

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Citric acid

Lactic acid

Pyruvic acid

Formic acid

The major cause of lungs cancer is:

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nicotine

smoking

viral infection

radiation

Most of the gaseous exchange in a leaf occurs through.

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Stomata

General surface

Cuticle

lenticels

The muscles of ribs are called;

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Smooth muscles

Cardiac muscles

Intercoastal muscles

Coastal muscles

The length of trachea is:

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10 cm

12 cm

22 cm

20 cm

Percentage of CO₂ in exhaled are during breathing is:

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16%

4%

79%

0.04%

In wood seems and roots the gaseous:

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lenticels

epidermal cells

somata

micropyle

Cutting of walls of Alveoli called:

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Pneumonia

Emphysema

Bronchtis

Asthama

In which of the following disease, the patient has usually lost 50% to 70% of his/her lung tissue when symptoms appears?

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Pneumonia

Asthma

Emphy sema

Bronchitis

All the alveoli of one side unite to form:

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Lung

Kidney

Thorax

Chest Box

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