- 1(current)
Q. No.| Assertion (A): | During the transporation of gases, about 20-25 percent of CO2 is carried by haemoglobin as carbamino-haemoglobin. |
| Reason (R): | This binding is related to high pCO2 and low pO2 in the tissues |
In the light of the above statements, choose the correct answer from the options given below.
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A)and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyUnder normal physiological conditions in human being every 100 ml of oxygenated blood can deliver _____________ml of O2 to the tissues.
1. 10 ml
2. 2 ml
3. 5 ml
4. 4 ml
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect the favorable conditions required for the formation of oxyhemoglobin at the alveoli.
1. High pO2, high pCO2, less H+, higher temperature
2. Low pO2, low pCO2, more H+, higher temperature
3. High pO2, low pCO2, less H+, lower temperature
4. Low pO2 high pCO2 more H+, higher temperature
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the wrong statement with reference to transport of oxygen:
| 1. | Partial pressure of CO2 can interfere with O2 binding with haemoglobin. |
| 2. | Higher H+ concentration in alveoli favours the formation of oxyhaemoglobin. |
| 3. | Low pCO2 in alveoli favours the formation of oxyhaemoglobin. |
| 4. | Binding of oxygen with haemoglobin is mainly related to partial pressure of O2. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | reduce the blood supply to the brain |
| 2. | decrease the affinity of hemoglobin with oxygen |
| 3. | lead to release of bicarbonate ions by the liver |
| 4. | reduce the rate of heartbeat |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyApproximately 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 R.B.C |
| 4. | as carbamino-haemoglobin |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe majority of carbon dioxide produced by our body cells is transported to the lungs:
1. dissolved in the blood
2. as bicarbonates
3. as carbonates
4. attached to haemoglobin
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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