Each Hb can carry a maximum of ___oxygen molecules.

(1)2

(2)4

(3)8

(4)6

Subtopic:  Respiratory System: Transport of Gases |
 96%
From NCERT
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Which of the following is true
(1)Gills are used by most of the aquatic animals

(2)lungs are used by most of the terrestrial animals

(3)Mammals have a well developed respiratory system

(4)All of the above

Subtopic:  Respiratory System: Transport of Gases |
 97%
From NCERT
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The red coloured, Fe Containing pigment present in the Erythrocytes is

1. Haemoglobin

2. Myoglobin

3. Globin

4. Albumin

Subtopic:  Respiratory System: Transport of Gases |
 96%
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The binding of Hb with Carbon dioxide forms

1. Methamoglobin

2. Carbamino-haemoglobin

3. Oxyhaemoglobin

4. none of these

Subtopic:  Respiratory System: Transport of Gases |
 94%
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Carbonic anhydrase plays an important role in the transport of carbon dioxide in

1.  Leucocytes

2.  Thrombocytes

3.  Erythrocytes

4.  Platelets

Subtopic:  Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
 91%
From NCERT
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The formation of Carbonic acid from Carbon dioxide and water has catalyzed the enzyme

1. Carbonic anhydrase

2. Carbonic anhydride

3. Carbonic hydrase

4. Both A and C

Subtopic:  Respiratory System: Transport of Gases |
 89%
From NCERT
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The solubility of carbon dioxide is about _____ times higher than that of oxygen across the respiratory membrane.

1. 20-25

2. 25-50

3. 125-150

4. 200-250

Subtopic:  Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
 89%
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Binding of Oxygen with Hb is primarily related to

(1)Partial pressure of O2

(2)Partial pressure of CO2

(3)Hydrogen ion Concentration

(4)Temperature

Subtopic:  Respiratory System: Transport of Gases |
 89%
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Mark the incorrect statement regarding the transport of gas.

1. About 97% of O2 is transported by RBC.
2. Nearly 20-25% of CO2 is transported by RBC.
3. Every 100 ml of deoxygenated blood deliver 4 ml of CO2 to the alveoli.
4. Every 100 ml of oxygenated blood deliver 20 ml of O2 to the body tissues
Subtopic:  Respiratory System: Transport of Gases Part 1 | Respiratory System: Transport of Gases |
 85%
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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

Subtopic:  Respiratory System: Transport of Gases Part 2 | Respiratory System: Transport of Gases |
 86%
From NCERT
NEET - 2014
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