MEDIUM
Earn 100

The chemical formula of oxyhaemoglobin is

50% studentsanswered this correctly

Important Questions on Respiration and Circulation

EASY
Which of the following factors are favourable for the formation of oxyhaemoglobin in the alveoli human lungs?
EASY
Which of the following factors favour the right side shift of the oxygen dissociation curve?
EASY
What is the maximum number of oxygen atoms that a molecule of haemoglobin can bind?
EASY
Identify the correct group of statements
(i) Oxygen is carried by Haemoglobin.
(ii) Oxygen is carried by carbonic anhydrase.
(iii) Carbon dioxide is carried by Haemoglobin.
(iv) Sulphur dioxide is carried by Haemoglobin.
MEDIUM

Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli.

MEDIUM

Study the following forms of transport of respiratory gases
A) CO2 as bicarbonates
B) O2 through plasma
C) CO2 as carbamino compounds
D) O2 through RBC
E) CO2 in a dissolved state
Arrange the above in sequence in ascending order based on their percentages.

MEDIUM
Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs:
EASY
Which of the following graphs best describes the oxygen dissociation curve where pO2 is the partial pressure of oxygen?
MEDIUM
Identify the wrong statement with reference to transport of oxygen.
EASY
The maximum number of oxygen molecules that can bind to one molecule of hemoglobin is:
EASY
The pH of the avian blood is maintained by
EASY
Under normal physiological conditions in human being every 100 ml of oxygenated blood can deliver ___________ ml of O2 to the tissues.
MEDIUM

In the given graph curves A, B and C represent the relation between partial pressure of oxygen pO2 and saturation of haemoglobin with oxygen. If curve A represents the condition of blood in a regular artery then please select the correct statement from below.

Question Image

EASY
The partial pressure of oxygen in the alveoli of the lungs is:
EASY
Partial pressures of O2 and CO2 in systemic vein carrying deoxygenated blood are
EASY
Study the following statements and pick up the correct one:
EASY
The element whose percentage weight is highest in both earth's crust and human body is
MEDIUM
Human fetal hemoglobin differs from the adult hemoglobin in that it has:
EASY
Athletes are often trained at high altitude because