Exchange of Gases
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BIOXI17: BREATHING AND EXCHANGE OF GASES

338704 Read the given statements.
I. Partial pressure of oxygen in inspired air is \(104 \mathrm{~mm} \mathrm{Hg}\).
II. \(\mathrm{CO}_{2}\) is less soluble in venous blood than in arterial blood.
III. Liver is the chief site of deamination.
IV. Pepsin cannot hydrolyse milk proteins. Of the above statements.

1 III and IV are correct
2 I, II and III are correct
3 Only I is correct
4 I, II and IV are incorrect
BIOXI17: BREATHING AND EXCHANGE OF GASES

338705 Factors affecting the rate of diffusion is/are

1 Solubility of gases
2 Pressure gradient
3 Thickness of membranes
4 All of these
BIOXI17: BREATHING AND EXCHANGE OF GASES

338707 In alveoli of the lungs, the air at the site of gas exchange, is separated from the blood by

1 Alveolar epithelium only
2 Alveolar epithelium and capillary endothelium
3 Alveolar epithelium, capillary endothelium and basement membrane
4 Alveolar epithelium, capillary endothelium, a thin layer of tunica media and tunica adventitia
BIOXI17: BREATHING AND EXCHANGE OF GASES

338708 The direction of concentration gradient for \(\mathrm{CO}_{2}\) is from

1 Tissues to blood and alveoli to blood
2 Blood to tissues and tissues to alveoli
3 Alveoli to blood and blood to tissues
4 Tissues to blood and blood to alveoli
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BIOXI17: BREATHING AND EXCHANGE OF GASES

338704 Read the given statements.
I. Partial pressure of oxygen in inspired air is \(104 \mathrm{~mm} \mathrm{Hg}\).
II. \(\mathrm{CO}_{2}\) is less soluble in venous blood than in arterial blood.
III. Liver is the chief site of deamination.
IV. Pepsin cannot hydrolyse milk proteins. Of the above statements.

1 III and IV are correct
2 I, II and III are correct
3 Only I is correct
4 I, II and IV are incorrect
BIOXI17: BREATHING AND EXCHANGE OF GASES

338705 Factors affecting the rate of diffusion is/are

1 Solubility of gases
2 Pressure gradient
3 Thickness of membranes
4 All of these
BIOXI17: BREATHING AND EXCHANGE OF GASES

338707 In alveoli of the lungs, the air at the site of gas exchange, is separated from the blood by

1 Alveolar epithelium only
2 Alveolar epithelium and capillary endothelium
3 Alveolar epithelium, capillary endothelium and basement membrane
4 Alveolar epithelium, capillary endothelium, a thin layer of tunica media and tunica adventitia
BIOXI17: BREATHING AND EXCHANGE OF GASES

338708 The direction of concentration gradient for \(\mathrm{CO}_{2}\) is from

1 Tissues to blood and alveoli to blood
2 Blood to tissues and tissues to alveoli
3 Alveoli to blood and blood to tissues
4 Tissues to blood and blood to alveoli
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BIOXI17: BREATHING AND EXCHANGE OF GASES

338704 Read the given statements.
I. Partial pressure of oxygen in inspired air is \(104 \mathrm{~mm} \mathrm{Hg}\).
II. \(\mathrm{CO}_{2}\) is less soluble in venous blood than in arterial blood.
III. Liver is the chief site of deamination.
IV. Pepsin cannot hydrolyse milk proteins. Of the above statements.

1 III and IV are correct
2 I, II and III are correct
3 Only I is correct
4 I, II and IV are incorrect
BIOXI17: BREATHING AND EXCHANGE OF GASES

338705 Factors affecting the rate of diffusion is/are

1 Solubility of gases
2 Pressure gradient
3 Thickness of membranes
4 All of these
BIOXI17: BREATHING AND EXCHANGE OF GASES

338707 In alveoli of the lungs, the air at the site of gas exchange, is separated from the blood by

1 Alveolar epithelium only
2 Alveolar epithelium and capillary endothelium
3 Alveolar epithelium, capillary endothelium and basement membrane
4 Alveolar epithelium, capillary endothelium, a thin layer of tunica media and tunica adventitia
BIOXI17: BREATHING AND EXCHANGE OF GASES

338708 The direction of concentration gradient for \(\mathrm{CO}_{2}\) is from

1 Tissues to blood and alveoli to blood
2 Blood to tissues and tissues to alveoli
3 Alveoli to blood and blood to tissues
4 Tissues to blood and blood to alveoli
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BIOXI17: BREATHING AND EXCHANGE OF GASES

338704 Read the given statements.
I. Partial pressure of oxygen in inspired air is \(104 \mathrm{~mm} \mathrm{Hg}\).
II. \(\mathrm{CO}_{2}\) is less soluble in venous blood than in arterial blood.
III. Liver is the chief site of deamination.
IV. Pepsin cannot hydrolyse milk proteins. Of the above statements.

1 III and IV are correct
2 I, II and III are correct
3 Only I is correct
4 I, II and IV are incorrect
BIOXI17: BREATHING AND EXCHANGE OF GASES

338705 Factors affecting the rate of diffusion is/are

1 Solubility of gases
2 Pressure gradient
3 Thickness of membranes
4 All of these
BIOXI17: BREATHING AND EXCHANGE OF GASES

338707 In alveoli of the lungs, the air at the site of gas exchange, is separated from the blood by

1 Alveolar epithelium only
2 Alveolar epithelium and capillary endothelium
3 Alveolar epithelium, capillary endothelium and basement membrane
4 Alveolar epithelium, capillary endothelium, a thin layer of tunica media and tunica adventitia
BIOXI17: BREATHING AND EXCHANGE OF GASES

338708 The direction of concentration gradient for \(\mathrm{CO}_{2}\) is from

1 Tissues to blood and alveoli to blood
2 Blood to tissues and tissues to alveoli
3 Alveoli to blood and blood to tissues
4 Tissues to blood and blood to alveoli