Which one is odd out regarding breathing rate
(1)heart beat rate

(2)B.M.R

(3)CO₂ concentration

(4)Body size

Which of the following volume of air cannot be measured by respirometer?
(1)IRV

(2)ERV

(3)RV

(4)Both A and B

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

The volume of air expired normally after forceful inspiration
1. TV+ IRV
2. TV+ERV
3. TV
4. None of these

The volume of air expired forcefully after normal inspiration
1. TV+ IRV
2.TV+ERV
3.TV
4. None of these

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

The partial pressure of CO₂ is minimum in the

1. atmospheric air

2. Alveoli

3. Deoxygenated blood

4. Oxygenated blood

Diffusion membrane consists of

1. Squamous epithelium of alveoli

2. endothelium of alveolar capillaries

3. Basement substance between them

4. All of the above

What percentage of Carbon dioxide is transported by RBCs

1. 7

2. 20-25

3. 70

4. 97

What percentage of Carbon dioxide is transported in a dissolved state through plasma

1. 7

2. 20-25

3. 70

4. 97