Diffusion membrane consists of

1. Squamous epithelium of alveoli

2. endothelium of alveolar capillaries

3. Basement substance between them

4. All of the above

Subtopic:  Respiratory System: Exchange of Gases |
 96%
From NCERT
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What percentage of Carbon dioxide is transported by RBCs

1. 7

2. 20-25

3. 70

4. 97

Subtopic:  Respiratory System: Transport of Gases |
 84%
From NCERT
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What percentage of Carbon dioxide is transported in a dissolved state through plasma

1. 7

2. 20-25

3. 70

4. 97

Subtopic:  Respiratory System: Transport of Gases |
 81%
From NCERT
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What percentage of oxygen molecule is transported in a dissolved state through plasma

1. 3

2. 20-25

3. 70

4. 97

Subtopic:  Respiratory System: Transport of Gases |
 83%
From NCERT
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Which of the following is true for transport of gases

1. Maximum amount of O2 is transported by RBCs

2. Maximum amount of CO2 is transported by Plasma as Bicarbonates

3. Plasma transports both CO2 and O2

4. All of the above

Subtopic:  Respiratory System: Transport of Gases |
 91%
From NCERT
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Which of the following is a true statement?

1. Oxygen binding with HB is a reversible process

2. Oxygen binding with HB is an irreversible process

3. Hb is not a protein

4. It’s not a pigment

Subtopic:  Respiratory System: Transport of Gases |
 88%
From NCERT
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The binding of Hb with oxygen forms

1. Methamoglobin

2. Carbhaminohaemoglobin

3. Oxyhaemoglobin

4. Carbaminohaemoglobin

Subtopic:  Respiratory System: Transport of Gases |
 94%
From NCERT
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Each Hb can carry a maximum of ___oxygen molecules.

1. 2

2. 4

3. 8

4. 6

Subtopic:  Respiratory System: Transport of Gases |
 94%
From NCERT
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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 |
 82%
From NCERT
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A curve obtained when percentage saturation of Hb with O2 is plotted against the pO2 is also called as

1. Association curve

2. Dissociation Curve

3. Sigmoid Curve

4. Both 2 and 3

Subtopic:  Respiratory System: Transport of Gases |
 63%
From NCERT
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