Volume of air which does not participate in gaseous exchange is
(1)Residual volume

(2)Dead space air

(3)Tidal volume

(4)Both A and B

Subtopic:  Respiratory System: Pulmonary Volumes & Capacities |
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The volume of air expired normally after forceful inspiration
1. TV+ IRV
2. TV+ERV
3. TV
4. None of these

Subtopic:  Respiratory System: Pulmonary Volumes & Capacities |
From NCERT
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The volume of air expired forcefully after normal inspiration
1. TV+ IRV
2.TV+ERV
3.TV
4. None of these

Subtopic:  Respiratory System: Pulmonary Volumes & Capacities |
 80%
From NCERT
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The volume of air expired forcefully after forceful inspiration
(1)TV+ IRV

(2)TV+ERV+IRV

(3)TV+ERV+IRV+RV

(4)None of these

Subtopic:  Respiratory System: Pulmonary Volumes & Capacities |
 72%
From NCERT
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The partial pressure of CO2 is minimum in the

1. atmospheric air

2. Alveoli

3. Deoxygenated blood

4. Oxygenated blood

Subtopic:  Respiratory System: Exchange of Gases |
 69%
From NCERT
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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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