EASY
Earn 100

Which of the following is the function of pleural fluid?

83.33% studentsanswered this correctly

Important Questions on Breathing and Exchange of Gases

EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
The process in which atmospheric air with 21% of O2 is drawn in and alveolar air rich in CO2 is sent out is called        
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Which is the correct sequence of the air passage in man?
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
A person suddenly starts coughing while swallowing food. This coughing would have been due to improper movement of
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Cavity lodging lungs is _______
MEDIUM
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
A person has 400 million alveoli per lung with an average radius of 0.1 mm for each alveolus. Considering the alveoli are spherical in shape, the total respiratory surface of that person is closest to
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
The unpaired cartilages supporting the wall of larynx are      
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Match the following
  List-I   List-II
(A) Moist body wall (I) Insects
(B) Tracheal system (II) Amphibian larvae
(C) Book lungs (III) Earthworms
(D) Gills (IV) Aves
    (V) Spiders

The correct match is
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Which of the following is not the function of conducting part of respiratory system?
MEDIUM
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals

Match the type of cells in Column I with the organs they are part of, listed in Column II:

  Column I   Column II
P. Chondroblast i. Bone
Q. Osteoclast ii. Brain
R. Microglia iii. Cartilage
S. Pneumocyte iv. Lung

Choose the CORRECT combination.

EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
If the number of alveoli in an individual is doubled without changing the total alveolar volume, the gas exchange capacity of the lungs will:
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
In jelly fishes, majority of gaseous exchange takes place through the ______.
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
The lungs are spongy and elastic due to _______.
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Which portion of the human respiratory system is called soundbox?
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals

Which structure of the lungs is directly involved in O2/CO2 exchange between air and blood capillary?

EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Lungs comprise of
MEDIUM
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals

Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?

MEDIUM
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
In mature mammalian erythrocytes, the respiration is:
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
Vocal cords occur in
HARD
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals

Bowman’s glands are located in the

EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Respiratory Organs in Animals
The pathway of inhaled air: