111. Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls.

A Emphysema
B Pneumonia
C Asthma
D Pleurisy
Answer :   Emphysema
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112. By which mechanism, oxygen is transported from lungs to cells

A Diffusion
B Fascilitated diffusion
C Transpiration
D Osmosis
Answer :   Diffusion
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113. Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?

A One can breathe out air totally without oxygen
B One can breathe out air through eustachian tubes by closing both the nose and the mouth
C One can consiously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all
D The lungs can be made fully empty by forcefully breathing out all air from them
Answer :   One can breathe out air through eustachian tubes by closing both the nose and the mouth
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114. Carbonic anhydrase is found in

A W.B.C.
B RBC
C Blood plasma
D All of the above
Answer :   RBC
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115. In vertebrate blood the carier of oxygen to the tissues or respiratory pigment is

A Plasma
B Lymphocytes
C Leucocytes
D Haemoglobin
Answer :   Haemoglobin
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116. Exchange of bicarbonates and chloride ions between RBC and plasma is called

A Chloride shift
B Bohr's effect
C Haldanr's effect
D Intra cellular respiration
Answer :   Chloride shift
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117. Thoracic cavity is enlarged by contraction of

A Internal Intercostal muscles
B Diaphragm
C Lungs
D Hypothalamus
Answer :   Diaphragm
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118. CO2+ H2O is produced during as end product in

A Anaerobic respiration
B Aerobic respiration
C A and B both
D None of the above
Answer :   Aerobic respiration
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119. Which energy is consumed in breathing

A Mechanical
B Chemical
C Bioelectricity
D Physical energy
Answer :   Chemical
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120. Lungs are devided into lobes in rabbit

A 4 right & 2 left lobes
B 2 right & 3 left lobes
C 2 right & 2 left lobes
D None of the above
Answer :   4 right & 2 left lobes
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