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Respiratory System MCQ Question with Answer

Respiratory System MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
Emphysema is a respiratory disease in which

the larynx is closed
the trachea gets narrowed
the gas exchange area of lungs is increased
the gas exchange area of lungs is decreased
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Question No : 9
The oxygen pressure in the alveolar air is

less than that is lung capillaries
equal to that in lung capillaries
double of that in lung capillaries
half of that in lung capillaries
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Question No : 10
In all vertebrates, the oxygen transport is through

haemocyanin
haemoglobin
myoglobin
haemoerythrin
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Question No : 11
The regulatory centre for respiration is situated in the

cerebral cortex
hypothalamus
medulla oblongata
procencephalon
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Question No : 12
Colour of oxyhaemoglobin is

dull red
bluish red
bright red
dull brown
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Question No : 13
The rate of respiration is lowest at

sleeping
running
eating food
playing
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Question No : 14
The functional unit of the lung is

neuron
alveolus
bronchus
none of these
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Wanna test your skill? Here are some exams we prepared for you. So if you need to test your skill just attempt any exam from bellow.

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