1.
At high altitude, RBC of human blood will
A.
Increase
B.
Decrease in number
C.
Decrease in size
D.
Increase in size
Answer :
Increase
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2.
Asthma is a respiratory disease caused due to
A.
Infection of trachea
B.
Infection of lungs
C.
Bleesing into pleural cavity
D.
Spasm in bronchial muscles
Answer :
Spasm in bronchial muscles
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3.
Breathing by ribs is more pronounced in
A.
Male
B.
Female
C.
Pregnant female
D.
None of the above
Answer :
Pregnant female
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4.
Carbon monoxide prevents transport of oxygen by
A.
Forming stable compound with haemoglobin
B.
Destroying haemoglobin
C.
Forming carbon dioxide with oxygen
D.
None of the above
Answer :
Forming stable compound with haemoglobin
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5.
Carbon dioxide is transported from tissues to respiratory surface by only
A.
plasma and erythrocytes
B.
plasma
C.
erythrocytes
D.
erythrocytes and leucocytes
Answer :
plasma and erythrocytes
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6.
Maximum expiration after full inspiration is called
A.
Vital capacity
B.
Lung capacity
C.
Tidal volume
D.
Residual volume
Answer :
Vital capacity
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7.
Haldane effect is due to
A.
CO2
B.
Lactic acid
C.
PH
D.
Oxyheamoglobin
Answer :
Oxyheamoglobin
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8.
Exchange of gases in lung alveoli occurs Through
A.
Active transport
B.
Osmosis
C.
Simple diffusion
D.
Passive transport
Answer :
Simple diffusion
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9.
One of the following is a difference between pulmonary respiration of frog and human
A.
Diaphragm and ribs play role in breathing
B.
Lungs are respiratory organs
C.
Respiration occurs due to pressure gradient
D.
Tunica interna, tunica externa & tunica Interna
Answer :
Diaphragm and ribs play role in breathing
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10.
Under normal condition 100 ml blood carry
A.
4 ml CO2
B.
10 ml CO2
C.
1.34 ml CO2
D.
30 ml CO2
Answer :
4 ml CO2
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