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Which of the following is the most impor...

Which of the following is the most important factor that determines whether oxygen binds to or dissociates from haemoglobin?

A

Partial pressure of carbon dioxide

B

pH

C

Body temperature

D

Partial pressure of oxygen

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-BREATHING AND EXCHANGE OF GASES -EXERCISE-I (Transport of Gases)
  1. The affinity of haemoglobin for oxygen increases due to

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  2. The following are the two statements regarding carbon dioxide: (a) C...

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  3. Which of the following is the most important factor that determines wh...

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  4. Formation of carbonic acid from carbon dioxide and water is catalysed ...

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  5. Every 100 mL of oxygenated blood delivers approximately

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  6. The chemical bond between oxygen and haemoglobin is

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  7. Percentage of O2 transported from lungs to the tissues through RBC is

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  8. Percentage of O2 & CO2 transported in a dissolved state through plasm...

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  9. The curve obtained when percentage saturation of Hb with O2 is plotted...

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  10. Which of the following factors is not favourable for the formation of ...

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  11. The major factor which could affect the binding of CO2 to Hb is

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  12. Amount of CO2 transported as bicarbonates, carbamino compounds and di...

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  13. During transport of CO2 blood does not become more acidic due to

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  14. In pulmonary capillaries, there is definite exchange of ions between R...

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  15. Much of CO2 is transported by the blood as

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  16. Factor that helps in formation of oxyhaemoglobin in the alveoli is

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  17. Carbonic anhydrase is present in very high concentration in

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  18. Carbonic anhydrase helps in the formation of

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  19. Haemoglobin has greater affinity for

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  20. Which of the following favours dissociation of HbO2 ?

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