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Breathing and Exchange of Gases

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

Previous Year Papers

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Class 10 Class 12
Differentiate between (a) Right and Left lung (b) Tracheoles and Bronchioles

Right lung 

 Left Lung



Has 3 lobes

It is shorter by 2.5 cm.

It is broad.

 


Has 2 lobes.

It is longer.

It is narrow.

 


Tracheoles

Bronchioles

Found in insects.

Are intracellular structures.

Present in beginning within the tracheole end cell.

It finally ends in the body cells.

Its terminal parts are filled with tracheolar fluid.

Found in mammals.

Are not intracellular structures.

Present within the lungs.

It divides further to give alveolar ducts.

These have no fluid.

215 Views

Name the cavity having lungs.

Thoracic cavity.
448 Views

70% of carbondioxide is transported as ?

Bicarbonate
360 Views

Oxygen is carried by haemoglobin as?

Oxyhaemoglobin.
415 Views

By what amount the solubility of carbondioxide is more than the solubility of oxygen?

20 - 25 times
414 Views

What is the partial pressure of oxygen in  oxygenated blood ?

95 mm Hg
702 Views