Anaerobic respiration is also called : from Biology Breathing an

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61.

Anaerobic respiration is also called :

  • restoration

  • fragmentation

  • multiplication

  • fermentation


D.

fermentation

Anaerobic respiration is respiration using electron acceptors other than molecular oxygen (O2).

After glycolysis, if oxygen is absent (anaerobic respiration), the pyruvic acid forms ethyl alcohol (C2H5OH) and carbon dioxide (CO2) without the help of any cell organelle. This anaerobic process is called fermentation.


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62.

The largest quantity of air that can be expired after a maximum inspiratory effort is

  • residual volume

  • tidal volume

  • vital capacity of lung

  • lung volume


63.

Asthma is caused due to :

  • infection of lungs

  • infection of trachea

  • bleeding into pleural cavity

  • spasm in bronchial muscles


64.

A person breathing normally at rest, takes in and expels approximately half a litre of air during each respiratory cycle. This is called :

  • tidal volume

  • vital capacity

  • inspiratory reserve volume

  • expiratory reserve volume


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65.

The Largest quantity of air that can be expired, after maximal inspiration, is called :

  • tidal volume

  • vital capacity

  • residual volume

  • total lung volume


66.

The number of RBCs in man increases if he lives at a higher altitude, this is because

  • there is more oxygen at the mountains

  • there is less oxygen at mountains

  • more heat is required to be produced in the body for keeping warm

  • there are no germs in the air in mountain


67.

The average diameter of red blood corpuscles of man is

  • 7.2 µm

  • 8.1 µm

  • 9.2 µm

  • 10.3 m


68.

In which of the following subjects, the dead space is highest?

  • Old man

  • Old woman

  • Young man

  • Young woman


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69.

When the oxygen supply to the tissue in inadequate, the condition is

  • dyspnea

  • hypoxia

  • asphyxia

  • apnea


70.

Generally artificial pace-maker consists of one battery made up of

  • nickel

  • dry cadmium

  • photo sensitive material

  • lethium


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