List of top Biology Questions on Exchange Of Gases

Emphysema is disease characterized by
What happen to the O dissociation curve of haemoglobin if the pH is decreased.
At high altitudes, RBC of human blood will
In which disease, due to flattening of tracheal vessels, alveoli are deprived of oxygen ?
In alveolar air, the partial pressure of CO is
The majority of carbon dioxide produced by our body cells is transported to the lungs :
Maximum amount of oxygen is exchanged from the blood in the
Which one of the following statements is incorrect?
About 1000 ml of air is always known to remain inside human lungs. It is described as ______
Membrane separating air in pulmonary alveoli from blood capillaries is
On strong heating sodium bicarbonate changes into:
Which part of human brain controls the breathing movements ?
Blood analysis of a patient reveals an unusually high quantity of carboxyhaemoglobin content. Which of the following conclusions is most likely to be correct? The patient has been inhaling polluted air containing unusually high content of
Mast cells of connective tissue contain

When CO2 concentration in blood increases, breathing becomes

When $CO_2$ concentration in blood increases breathing becomes
In the resting state of the neural membrane, diffusion due to concentration gradients, if allowed, would drive
Haemoglobin is having maximum affinity with
Which of the following is true for $CO_2$ concentration?
Given below are four matchings of an animal and its kind of respiratory organ:
  1. Silver fish – trachea
  2. Scorpion – book lung
  3. Sea squirt – pharyngeal gills
  4. Dolphin – skin

The correct matchings are:
 

Haemoglobin is a type of
Lungs are enclosed in :
When 1500 ml air is in the lungs, it is called
Although much $CO_2$ is carried in blood, yet blood does not become acidic, because
Bohr effect is related with