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Question-1
During respiration, failure of ventilation leads to
(A)
carbonate tension
(B)
bicarbonate tension
(C)
decreased oxygen tension
(D)
decreased carbondioxide tension
Question-2
Dissociation of oxyhaemoglobin can be promoted by
(A)
high blood pH
(B)
low body temperature
(C)
high partial pressure of CO2
(D)
low partial pressure of CO2
Question-3
Dissociation curve of haemoglobin is
(A)
sigmoid
(B)
parabolic
(C)
straight line
(D)
hyperbolic
Question-4
The numbers of lobes in right and left lungs of a rabbit are
(A)
2 and 4
(B)
3 and 2
(C)
4 and 2
(D)
6 and 3
Question-5
Carbonic anhydrase is found in
(A)
leukocytes
(B)
lymphocytes
(C)
erythrocytes
(D)
blood plasma
Question-6
Which of the following is correct regarding respiration?
(A)
no organism can live without respiration
(B)
it takes place at every time day and night
(C)
it involves utilization of carbondioxide and water
(D)
all of the these.
Question-7
During forced expiration, the activity contracting muscles includes
(A)
diaphragm
(B)
lungs wall
(C)
abdominal muscles
(D)
external intercostals
Question-8
Larynx opens into pharynx by
(A)
gullet
(B)
glottis
(C)
epiglottis
(D)
none of these
Question-9
Most of the dissolved CO2 in blood reacts with water and form
(A)
oxalic acid
(B)
carbonic acid
(C)
succinic acid
(D)
acetic acid
Question-10
Book lung are respiratory organs of phylum
(A)
arachnida
(B)
mollusca
(C)
mammals
(D)
arthropoda
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Plus 2 Biology Science
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