338847
Respiratory or exchange part of the respiratory system is the site of
1 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between tissues and atmospheric air.
2 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air.
3 Actual diffusion of \(\mathrm{N}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air.
4 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{N}_{2}\) between blood and atmospheric air.
Explanation:
Respiratory or exchange part of the respiratory system consists of alveoli and their ducts serve for actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air. These serve to get rid of the body \(\mathrm{CO}_{2}\) and pick up oxygen from the atmosphere. This system is derived from the endoderm.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338848
Statement A : The external nostrils up to the terminal bronchioles constitute the conducting part Statement B : The alveoli and their ducts form the respiratory or exchange part
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
Explanation:
Both are correct.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338849
Which of the following does not occur during breathing?
1 Humidifies the air
2 Brings the air to body temperature
3 Diffusion of gases
4 Cleans up the air
Explanation:
Diffusion of gases is a physical phenomenon that takes place between the tissue and blood vessels, and does not occur during breathing whereas bringing air to the body temperature, its cleaning and warming occurs during the process of breathing.
NCERT Exemplar
BIOXI17: BREATHING AND EXCHANGE OF GASES
338850
Very high number of alveoli present in a lung is meant for
1 More space for increasing volumes of inspired air
2 More area for diffusion
3 Making the organ spongy
4 Increasing nerve supply
Explanation:
The alveoli are tiny, circular air sacs which are important because they significantly increase the surface area of the lungs. Due to the many surface walls of the alveoli, the lungs have a surface area that is approximately the size of a tennis court. This large surface area allows for rapid gas exchange.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338851
Which of the following is not the function of conducting part of respiratory system?
1 Inhaled air humidified
2 Temperature of inhaled air is brought to body temperature
3 Provides surface for diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\)
4 It clears inhaled air from foreign particles
Explanation:
Exchange part is the site of actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air. The conducting part transports the atmospheric air to the alveoli, clears it from foreign particles, humidifies and also brings the air to body temperature.
338847
Respiratory or exchange part of the respiratory system is the site of
1 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between tissues and atmospheric air.
2 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air.
3 Actual diffusion of \(\mathrm{N}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air.
4 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{N}_{2}\) between blood and atmospheric air.
Explanation:
Respiratory or exchange part of the respiratory system consists of alveoli and their ducts serve for actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air. These serve to get rid of the body \(\mathrm{CO}_{2}\) and pick up oxygen from the atmosphere. This system is derived from the endoderm.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338848
Statement A : The external nostrils up to the terminal bronchioles constitute the conducting part Statement B : The alveoli and their ducts form the respiratory or exchange part
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
Explanation:
Both are correct.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338849
Which of the following does not occur during breathing?
1 Humidifies the air
2 Brings the air to body temperature
3 Diffusion of gases
4 Cleans up the air
Explanation:
Diffusion of gases is a physical phenomenon that takes place between the tissue and blood vessels, and does not occur during breathing whereas bringing air to the body temperature, its cleaning and warming occurs during the process of breathing.
NCERT Exemplar
BIOXI17: BREATHING AND EXCHANGE OF GASES
338850
Very high number of alveoli present in a lung is meant for
1 More space for increasing volumes of inspired air
2 More area for diffusion
3 Making the organ spongy
4 Increasing nerve supply
Explanation:
The alveoli are tiny, circular air sacs which are important because they significantly increase the surface area of the lungs. Due to the many surface walls of the alveoli, the lungs have a surface area that is approximately the size of a tennis court. This large surface area allows for rapid gas exchange.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338851
Which of the following is not the function of conducting part of respiratory system?
1 Inhaled air humidified
2 Temperature of inhaled air is brought to body temperature
3 Provides surface for diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\)
4 It clears inhaled air from foreign particles
Explanation:
Exchange part is the site of actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air. The conducting part transports the atmospheric air to the alveoli, clears it from foreign particles, humidifies and also brings the air to body temperature.
338847
Respiratory or exchange part of the respiratory system is the site of
1 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between tissues and atmospheric air.
2 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air.
3 Actual diffusion of \(\mathrm{N}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air.
4 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{N}_{2}\) between blood and atmospheric air.
Explanation:
Respiratory or exchange part of the respiratory system consists of alveoli and their ducts serve for actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air. These serve to get rid of the body \(\mathrm{CO}_{2}\) and pick up oxygen from the atmosphere. This system is derived from the endoderm.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338848
Statement A : The external nostrils up to the terminal bronchioles constitute the conducting part Statement B : The alveoli and their ducts form the respiratory or exchange part
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
Explanation:
Both are correct.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338849
Which of the following does not occur during breathing?
1 Humidifies the air
2 Brings the air to body temperature
3 Diffusion of gases
4 Cleans up the air
Explanation:
Diffusion of gases is a physical phenomenon that takes place between the tissue and blood vessels, and does not occur during breathing whereas bringing air to the body temperature, its cleaning and warming occurs during the process of breathing.
NCERT Exemplar
BIOXI17: BREATHING AND EXCHANGE OF GASES
338850
Very high number of alveoli present in a lung is meant for
1 More space for increasing volumes of inspired air
2 More area for diffusion
3 Making the organ spongy
4 Increasing nerve supply
Explanation:
The alveoli are tiny, circular air sacs which are important because they significantly increase the surface area of the lungs. Due to the many surface walls of the alveoli, the lungs have a surface area that is approximately the size of a tennis court. This large surface area allows for rapid gas exchange.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338851
Which of the following is not the function of conducting part of respiratory system?
1 Inhaled air humidified
2 Temperature of inhaled air is brought to body temperature
3 Provides surface for diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\)
4 It clears inhaled air from foreign particles
Explanation:
Exchange part is the site of actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air. The conducting part transports the atmospheric air to the alveoli, clears it from foreign particles, humidifies and also brings the air to body temperature.
338847
Respiratory or exchange part of the respiratory system is the site of
1 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between tissues and atmospheric air.
2 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air.
3 Actual diffusion of \(\mathrm{N}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air.
4 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{N}_{2}\) between blood and atmospheric air.
Explanation:
Respiratory or exchange part of the respiratory system consists of alveoli and their ducts serve for actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air. These serve to get rid of the body \(\mathrm{CO}_{2}\) and pick up oxygen from the atmosphere. This system is derived from the endoderm.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338848
Statement A : The external nostrils up to the terminal bronchioles constitute the conducting part Statement B : The alveoli and their ducts form the respiratory or exchange part
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
Explanation:
Both are correct.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338849
Which of the following does not occur during breathing?
1 Humidifies the air
2 Brings the air to body temperature
3 Diffusion of gases
4 Cleans up the air
Explanation:
Diffusion of gases is a physical phenomenon that takes place between the tissue and blood vessels, and does not occur during breathing whereas bringing air to the body temperature, its cleaning and warming occurs during the process of breathing.
NCERT Exemplar
BIOXI17: BREATHING AND EXCHANGE OF GASES
338850
Very high number of alveoli present in a lung is meant for
1 More space for increasing volumes of inspired air
2 More area for diffusion
3 Making the organ spongy
4 Increasing nerve supply
Explanation:
The alveoli are tiny, circular air sacs which are important because they significantly increase the surface area of the lungs. Due to the many surface walls of the alveoli, the lungs have a surface area that is approximately the size of a tennis court. This large surface area allows for rapid gas exchange.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338851
Which of the following is not the function of conducting part of respiratory system?
1 Inhaled air humidified
2 Temperature of inhaled air is brought to body temperature
3 Provides surface for diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\)
4 It clears inhaled air from foreign particles
Explanation:
Exchange part is the site of actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air. The conducting part transports the atmospheric air to the alveoli, clears it from foreign particles, humidifies and also brings the air to body temperature.
338847
Respiratory or exchange part of the respiratory system is the site of
1 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between tissues and atmospheric air.
2 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air.
3 Actual diffusion of \(\mathrm{N}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air.
4 Actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{N}_{2}\) between blood and atmospheric air.
Explanation:
Respiratory or exchange part of the respiratory system consists of alveoli and their ducts serve for actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air. These serve to get rid of the body \(\mathrm{CO}_{2}\) and pick up oxygen from the atmosphere. This system is derived from the endoderm.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338848
Statement A : The external nostrils up to the terminal bronchioles constitute the conducting part Statement B : The alveoli and their ducts form the respiratory or exchange part
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
Explanation:
Both are correct.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338849
Which of the following does not occur during breathing?
1 Humidifies the air
2 Brings the air to body temperature
3 Diffusion of gases
4 Cleans up the air
Explanation:
Diffusion of gases is a physical phenomenon that takes place between the tissue and blood vessels, and does not occur during breathing whereas bringing air to the body temperature, its cleaning and warming occurs during the process of breathing.
NCERT Exemplar
BIOXI17: BREATHING AND EXCHANGE OF GASES
338850
Very high number of alveoli present in a lung is meant for
1 More space for increasing volumes of inspired air
2 More area for diffusion
3 Making the organ spongy
4 Increasing nerve supply
Explanation:
The alveoli are tiny, circular air sacs which are important because they significantly increase the surface area of the lungs. Due to the many surface walls of the alveoli, the lungs have a surface area that is approximately the size of a tennis court. This large surface area allows for rapid gas exchange.
BIOXI17: BREATHING AND EXCHANGE OF GASES
338851
Which of the following is not the function of conducting part of respiratory system?
1 Inhaled air humidified
2 Temperature of inhaled air is brought to body temperature
3 Provides surface for diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\)
4 It clears inhaled air from foreign particles
Explanation:
Exchange part is the site of actual diffusion of \(\mathrm{O}_{2}\) and \(\mathrm{CO}_{2}\) between blood and atmospheric air. The conducting part transports the atmospheric air to the alveoli, clears it from foreign particles, humidifies and also brings the air to body temperature.
