286093
The factor which does not affect the rate of alveolar diffusion is
1 solubility of gases
2 thickness of the membranes
3 pressure gradient
4 reactivity of the gases
Explanation:
(d) ${{\text{O}}_{2}}$ and $\text{C}{{\text{O}}_{2}}$ are exchanged in the alveoli by simple diffusion. The factors that affect the diffusion are pressure gradient of the gases, solubility of the gases and the thickness of the membranes involved in diffusion.
NCERT Page-272 & 273/ N -187
BREATHING and EXCHANGE OF GASES(NCERT)
286082
What is the cause for the movement of oxygen through the alveolar blood capillaries of lungs?
1 Concentration of$\text{S}{{\text{O}}_{2}}$
2 Union of${{\text{O}}_{2}}$ with haemoglobin
3 Partial pressure of$\text{C}{{\text{O}}_{2}}$
4 Difference in the${{\text{O}}_{2}}$ tension and partial pressure of these chambers
Explanation:
(d) Difference in the ${{\text{O}}_{2}}$ tension and Partial pressure of these chambers causes the movement of oxygen through the alveolar blood capillaries of lungs. Tiny blood vessels are seen around the Alveoli which is known as Capillaries. The oxygen which is inhaled moves from the alveoli goes to the blood in the Capillaries.
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286089
In mammals, carbon dioxide is transported from tissues to respiratory surface by
1 plasma
2 R.B.C
3 W.B.C.
4 both (a) and (b)
Explanation:
(d) $\text{C}{{\text{O}}_{2}}$ is transported both by plasma and haemoglobin of blood.
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)
286092
In which one of the options given below, the one part A, $B,C$ or $D$ is correctly identified along with its function?
1 A-Alveolar cavity- It is the main site of exchange of respiratory gases.
2 B-Red blood cell- It transports mainly carbon dioxide.
3 C-Arterial capillary-It passes oxygen to tissues.
286093
The factor which does not affect the rate of alveolar diffusion is
1 solubility of gases
2 thickness of the membranes
3 pressure gradient
4 reactivity of the gases
Explanation:
(d) ${{\text{O}}_{2}}$ and $\text{C}{{\text{O}}_{2}}$ are exchanged in the alveoli by simple diffusion. The factors that affect the diffusion are pressure gradient of the gases, solubility of the gases and the thickness of the membranes involved in diffusion.
NCERT Page-272 & 273/ N -187
BREATHING and EXCHANGE OF GASES(NCERT)
286082
What is the cause for the movement of oxygen through the alveolar blood capillaries of lungs?
1 Concentration of$\text{S}{{\text{O}}_{2}}$
2 Union of${{\text{O}}_{2}}$ with haemoglobin
3 Partial pressure of$\text{C}{{\text{O}}_{2}}$
4 Difference in the${{\text{O}}_{2}}$ tension and partial pressure of these chambers
Explanation:
(d) Difference in the ${{\text{O}}_{2}}$ tension and Partial pressure of these chambers causes the movement of oxygen through the alveolar blood capillaries of lungs. Tiny blood vessels are seen around the Alveoli which is known as Capillaries. The oxygen which is inhaled moves from the alveoli goes to the blood in the Capillaries.
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286089
In mammals, carbon dioxide is transported from tissues to respiratory surface by
1 plasma
2 R.B.C
3 W.B.C.
4 both (a) and (b)
Explanation:
(d) $\text{C}{{\text{O}}_{2}}$ is transported both by plasma and haemoglobin of blood.
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)
286092
In which one of the options given below, the one part A, $B,C$ or $D$ is correctly identified along with its function?
1 A-Alveolar cavity- It is the main site of exchange of respiratory gases.
2 B-Red blood cell- It transports mainly carbon dioxide.
3 C-Arterial capillary-It passes oxygen to tissues.
286093
The factor which does not affect the rate of alveolar diffusion is
1 solubility of gases
2 thickness of the membranes
3 pressure gradient
4 reactivity of the gases
Explanation:
(d) ${{\text{O}}_{2}}$ and $\text{C}{{\text{O}}_{2}}$ are exchanged in the alveoli by simple diffusion. The factors that affect the diffusion are pressure gradient of the gases, solubility of the gases and the thickness of the membranes involved in diffusion.
NCERT Page-272 & 273/ N -187
BREATHING and EXCHANGE OF GASES(NCERT)
286082
What is the cause for the movement of oxygen through the alveolar blood capillaries of lungs?
1 Concentration of$\text{S}{{\text{O}}_{2}}$
2 Union of${{\text{O}}_{2}}$ with haemoglobin
3 Partial pressure of$\text{C}{{\text{O}}_{2}}$
4 Difference in the${{\text{O}}_{2}}$ tension and partial pressure of these chambers
Explanation:
(d) Difference in the ${{\text{O}}_{2}}$ tension and Partial pressure of these chambers causes the movement of oxygen through the alveolar blood capillaries of lungs. Tiny blood vessels are seen around the Alveoli which is known as Capillaries. The oxygen which is inhaled moves from the alveoli goes to the blood in the Capillaries.
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286089
In mammals, carbon dioxide is transported from tissues to respiratory surface by
1 plasma
2 R.B.C
3 W.B.C.
4 both (a) and (b)
Explanation:
(d) $\text{C}{{\text{O}}_{2}}$ is transported both by plasma and haemoglobin of blood.
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)
286092
In which one of the options given below, the one part A, $B,C$ or $D$ is correctly identified along with its function?
1 A-Alveolar cavity- It is the main site of exchange of respiratory gases.
2 B-Red blood cell- It transports mainly carbon dioxide.
3 C-Arterial capillary-It passes oxygen to tissues.
286093
The factor which does not affect the rate of alveolar diffusion is
1 solubility of gases
2 thickness of the membranes
3 pressure gradient
4 reactivity of the gases
Explanation:
(d) ${{\text{O}}_{2}}$ and $\text{C}{{\text{O}}_{2}}$ are exchanged in the alveoli by simple diffusion. The factors that affect the diffusion are pressure gradient of the gases, solubility of the gases and the thickness of the membranes involved in diffusion.
NCERT Page-272 & 273/ N -187
BREATHING and EXCHANGE OF GASES(NCERT)
286082
What is the cause for the movement of oxygen through the alveolar blood capillaries of lungs?
1 Concentration of$\text{S}{{\text{O}}_{2}}$
2 Union of${{\text{O}}_{2}}$ with haemoglobin
3 Partial pressure of$\text{C}{{\text{O}}_{2}}$
4 Difference in the${{\text{O}}_{2}}$ tension and partial pressure of these chambers
Explanation:
(d) Difference in the ${{\text{O}}_{2}}$ tension and Partial pressure of these chambers causes the movement of oxygen through the alveolar blood capillaries of lungs. Tiny blood vessels are seen around the Alveoli which is known as Capillaries. The oxygen which is inhaled moves from the alveoli goes to the blood in the Capillaries.
NCERT Page-272 / N-187
BREATHING and EXCHANGE OF GASES(NCERT)
286089
In mammals, carbon dioxide is transported from tissues to respiratory surface by
1 plasma
2 R.B.C
3 W.B.C.
4 both (a) and (b)
Explanation:
(d) $\text{C}{{\text{O}}_{2}}$ is transported both by plasma and haemoglobin of blood.
NCERT Page-274 / N-189
BREATHING and EXCHANGE OF GASES(NCERT)
286092
In which one of the options given below, the one part A, $B,C$ or $D$ is correctly identified along with its function?
1 A-Alveolar cavity- It is the main site of exchange of respiratory gases.
2 B-Red blood cell- It transports mainly carbon dioxide.
3 C-Arterial capillary-It passes oxygen to tissues.
