TRANSPORT OF GASES(NCERT)
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BREATHING and EXCHANGE OF GASES(NCERT)

286123 Which of the following statements is not true?

1 The partial pressure of oxygen in deoxygenated blood is$40\text{ }\!\!~\!\!\text{ mmHg}$
2 The partial pressure of oxygen in oxygenated blood is$95\text{ }\!\!~\!\!\text{ mmHg}$
3 The partial pressure of oxygen in the alveolar air is$104\text{ }\!\!~\!\!\text{ mmHg}$
4 The partial pressure of carbon dioxide in deoxygenated blood is$95\text{ }\!\!~\!\!\text{ mmHg}$
NCERT ( Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)

286124 Which of the following equation shows the role of carbonic anhydrase enzyme in the transport of carbon dioxide by blood?

1 $\text{C}{{\text{O}}_{2}}+{{\text{H}}_{2}}\text{O}\rightleftarrows {{\text{H}}_{2}}\text{C}{{\text{O}}_{3}}\rightleftarrows \text{HCO}_{3}^{-}+{{\text{H}}^{+}}$
2 ${{\text{C}}_{6}}{{\text{H}}_{12}}{{\text{O}}_{6}}+6{{\text{O}}_{2}}6\text{C}{{\text{O}}_{2}}+6{{\text{H}}_{2}}\text{O}$
3 ${{\text{C}}_{6}}{{\text{H}}_{12}}{{\text{O}}_{6}}\to 2{{\text{C}}_{6}}{{\text{H}}_{5}}\text{OH}+2\text{C}{{\text{O}}_{2}}$
4 None of the above.
NCERT ( Page-275. / N-190
BREATHING and EXCHANGE OF GASES(NCERT)

286125 ${{\text{O}}_{2}}$ dissociation curve is plotted between $\text{p}{{\text{O}}_{2}}$ and

1 $\text{ }\!\!%\!\!\text{ Hb}$ saturation
2 $\text{pC}{{\text{O}}_{2}}$
3 $\text{Hb}$ concentration
4 $\text{RBC}/\text{m}{{\text{m}}^{3}}$ of blood
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)

286126 Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs

1 as bicarbonate ions
2 in the form of dissolved gas molecules
3 by binding to RBC
4 as carbamino-haemoglobin
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)

286127 Oxygen dissociation curve of haemoglobin is

1 Sigmoid
2 Hyperbolic
3 Linear
4 Hypobolic
NCERT Page-274 / N-189
NEET DIGITAL LIBRARY
BREATHING and EXCHANGE OF GASES(NCERT)

286123 Which of the following statements is not true?

1 The partial pressure of oxygen in deoxygenated blood is$40\text{ }\!\!~\!\!\text{ mmHg}$
2 The partial pressure of oxygen in oxygenated blood is$95\text{ }\!\!~\!\!\text{ mmHg}$
3 The partial pressure of oxygen in the alveolar air is$104\text{ }\!\!~\!\!\text{ mmHg}$
4 The partial pressure of carbon dioxide in deoxygenated blood is$95\text{ }\!\!~\!\!\text{ mmHg}$
NCERT ( Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)

286124 Which of the following equation shows the role of carbonic anhydrase enzyme in the transport of carbon dioxide by blood?

1 $\text{C}{{\text{O}}_{2}}+{{\text{H}}_{2}}\text{O}\rightleftarrows {{\text{H}}_{2}}\text{C}{{\text{O}}_{3}}\rightleftarrows \text{HCO}_{3}^{-}+{{\text{H}}^{+}}$
2 ${{\text{C}}_{6}}{{\text{H}}_{12}}{{\text{O}}_{6}}+6{{\text{O}}_{2}}6\text{C}{{\text{O}}_{2}}+6{{\text{H}}_{2}}\text{O}$
3 ${{\text{C}}_{6}}{{\text{H}}_{12}}{{\text{O}}_{6}}\to 2{{\text{C}}_{6}}{{\text{H}}_{5}}\text{OH}+2\text{C}{{\text{O}}_{2}}$
4 None of the above.
NCERT ( Page-275. / N-190
BREATHING and EXCHANGE OF GASES(NCERT)

286125 ${{\text{O}}_{2}}$ dissociation curve is plotted between $\text{p}{{\text{O}}_{2}}$ and

1 $\text{ }\!\!%\!\!\text{ Hb}$ saturation
2 $\text{pC}{{\text{O}}_{2}}$
3 $\text{Hb}$ concentration
4 $\text{RBC}/\text{m}{{\text{m}}^{3}}$ of blood
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)

286126 Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs

1 as bicarbonate ions
2 in the form of dissolved gas molecules
3 by binding to RBC
4 as carbamino-haemoglobin
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)

286127 Oxygen dissociation curve of haemoglobin is

1 Sigmoid
2 Hyperbolic
3 Linear
4 Hypobolic
NCERT Page-274 / N-189
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BREATHING and EXCHANGE OF GASES(NCERT)

286123 Which of the following statements is not true?

1 The partial pressure of oxygen in deoxygenated blood is$40\text{ }\!\!~\!\!\text{ mmHg}$
2 The partial pressure of oxygen in oxygenated blood is$95\text{ }\!\!~\!\!\text{ mmHg}$
3 The partial pressure of oxygen in the alveolar air is$104\text{ }\!\!~\!\!\text{ mmHg}$
4 The partial pressure of carbon dioxide in deoxygenated blood is$95\text{ }\!\!~\!\!\text{ mmHg}$
NCERT ( Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)

286124 Which of the following equation shows the role of carbonic anhydrase enzyme in the transport of carbon dioxide by blood?

1 $\text{C}{{\text{O}}_{2}}+{{\text{H}}_{2}}\text{O}\rightleftarrows {{\text{H}}_{2}}\text{C}{{\text{O}}_{3}}\rightleftarrows \text{HCO}_{3}^{-}+{{\text{H}}^{+}}$
2 ${{\text{C}}_{6}}{{\text{H}}_{12}}{{\text{O}}_{6}}+6{{\text{O}}_{2}}6\text{C}{{\text{O}}_{2}}+6{{\text{H}}_{2}}\text{O}$
3 ${{\text{C}}_{6}}{{\text{H}}_{12}}{{\text{O}}_{6}}\to 2{{\text{C}}_{6}}{{\text{H}}_{5}}\text{OH}+2\text{C}{{\text{O}}_{2}}$
4 None of the above.
NCERT ( Page-275. / N-190
BREATHING and EXCHANGE OF GASES(NCERT)

286125 ${{\text{O}}_{2}}$ dissociation curve is plotted between $\text{p}{{\text{O}}_{2}}$ and

1 $\text{ }\!\!%\!\!\text{ Hb}$ saturation
2 $\text{pC}{{\text{O}}_{2}}$
3 $\text{Hb}$ concentration
4 $\text{RBC}/\text{m}{{\text{m}}^{3}}$ of blood
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)

286126 Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs

1 as bicarbonate ions
2 in the form of dissolved gas molecules
3 by binding to RBC
4 as carbamino-haemoglobin
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)

286127 Oxygen dissociation curve of haemoglobin is

1 Sigmoid
2 Hyperbolic
3 Linear
4 Hypobolic
NCERT Page-274 / N-189
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BREATHING and EXCHANGE OF GASES(NCERT)

286123 Which of the following statements is not true?

1 The partial pressure of oxygen in deoxygenated blood is$40\text{ }\!\!~\!\!\text{ mmHg}$
2 The partial pressure of oxygen in oxygenated blood is$95\text{ }\!\!~\!\!\text{ mmHg}$
3 The partial pressure of oxygen in the alveolar air is$104\text{ }\!\!~\!\!\text{ mmHg}$
4 The partial pressure of carbon dioxide in deoxygenated blood is$95\text{ }\!\!~\!\!\text{ mmHg}$
NCERT ( Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)

286124 Which of the following equation shows the role of carbonic anhydrase enzyme in the transport of carbon dioxide by blood?

1 $\text{C}{{\text{O}}_{2}}+{{\text{H}}_{2}}\text{O}\rightleftarrows {{\text{H}}_{2}}\text{C}{{\text{O}}_{3}}\rightleftarrows \text{HCO}_{3}^{-}+{{\text{H}}^{+}}$
2 ${{\text{C}}_{6}}{{\text{H}}_{12}}{{\text{O}}_{6}}+6{{\text{O}}_{2}}6\text{C}{{\text{O}}_{2}}+6{{\text{H}}_{2}}\text{O}$
3 ${{\text{C}}_{6}}{{\text{H}}_{12}}{{\text{O}}_{6}}\to 2{{\text{C}}_{6}}{{\text{H}}_{5}}\text{OH}+2\text{C}{{\text{O}}_{2}}$
4 None of the above.
NCERT ( Page-275. / N-190
BREATHING and EXCHANGE OF GASES(NCERT)

286125 ${{\text{O}}_{2}}$ dissociation curve is plotted between $\text{p}{{\text{O}}_{2}}$ and

1 $\text{ }\!\!%\!\!\text{ Hb}$ saturation
2 $\text{pC}{{\text{O}}_{2}}$
3 $\text{Hb}$ concentration
4 $\text{RBC}/\text{m}{{\text{m}}^{3}}$ of blood
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)

286126 Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs

1 as bicarbonate ions
2 in the form of dissolved gas molecules
3 by binding to RBC
4 as carbamino-haemoglobin
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)

286127 Oxygen dissociation curve of haemoglobin is

1 Sigmoid
2 Hyperbolic
3 Linear
4 Hypobolic
NCERT Page-274 / N-189
NEET DIGITAL LIBRARY
BREATHING and EXCHANGE OF GASES(NCERT)

286123 Which of the following statements is not true?

1 The partial pressure of oxygen in deoxygenated blood is$40\text{ }\!\!~\!\!\text{ mmHg}$
2 The partial pressure of oxygen in oxygenated blood is$95\text{ }\!\!~\!\!\text{ mmHg}$
3 The partial pressure of oxygen in the alveolar air is$104\text{ }\!\!~\!\!\text{ mmHg}$
4 The partial pressure of carbon dioxide in deoxygenated blood is$95\text{ }\!\!~\!\!\text{ mmHg}$
NCERT ( Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)

286124 Which of the following equation shows the role of carbonic anhydrase enzyme in the transport of carbon dioxide by blood?

1 $\text{C}{{\text{O}}_{2}}+{{\text{H}}_{2}}\text{O}\rightleftarrows {{\text{H}}_{2}}\text{C}{{\text{O}}_{3}}\rightleftarrows \text{HCO}_{3}^{-}+{{\text{H}}^{+}}$
2 ${{\text{C}}_{6}}{{\text{H}}_{12}}{{\text{O}}_{6}}+6{{\text{O}}_{2}}6\text{C}{{\text{O}}_{2}}+6{{\text{H}}_{2}}\text{O}$
3 ${{\text{C}}_{6}}{{\text{H}}_{12}}{{\text{O}}_{6}}\to 2{{\text{C}}_{6}}{{\text{H}}_{5}}\text{OH}+2\text{C}{{\text{O}}_{2}}$
4 None of the above.
NCERT ( Page-275. / N-190
BREATHING and EXCHANGE OF GASES(NCERT)

286125 ${{\text{O}}_{2}}$ dissociation curve is plotted between $\text{p}{{\text{O}}_{2}}$ and

1 $\text{ }\!\!%\!\!\text{ Hb}$ saturation
2 $\text{pC}{{\text{O}}_{2}}$
3 $\text{Hb}$ concentration
4 $\text{RBC}/\text{m}{{\text{m}}^{3}}$ of blood
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)

286126 Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs

1 as bicarbonate ions
2 in the form of dissolved gas molecules
3 by binding to RBC
4 as carbamino-haemoglobin
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)

286127 Oxygen dissociation curve of haemoglobin is

1 Sigmoid
2 Hyperbolic
3 Linear
4 Hypobolic
NCERT Page-274 / N-189