Enzyme bringing coversion of 3-phosphoglyceric acid into 2-phosphoglyceric acid is:
A.Aldolase
B.Phosphoglyceric mutase
C.Enolase
D.None of these
Category: Respiratory System Physiology Mcqs
How much Cals are trapped in 38 molecules of ATP which are gained during oxidation of one molecule of glucose:
A.1,56,000 Cals
B.2,56,000 Cals
C.3`,56,000 Cals
D.4,56,000 Cals
Sudden deep inspiration may be due to:
A.Increase in the concentration of oxygen
B.Increase in concentration of carbondioxide
C.Decrease in the concentration of carbondioxide
D.Either increase in the concentration of oxygen of decrease in concentration of carbondioxide
An increase in body temperature during fever will:
A.Increase the rate of our respiration
B.Decrease the rate of our respiration
C.First decrease then increase the rate of our respriation
D.Not at all affect the rate of our respiration
The impulse for voluntary forced breathing starts in the:
A.Medulla
B.Vagus nerve
C.Spinal cord
D.Cerebrun
How much oxygen binds with 1 gm of haemoglobin in normal state:
A.0.5ml
B.0.75ml
C.1.0gm
D.1.34gm
We loose which of these amounts of CO2 per minute:
A.120ml
B.220ml
C.330ml
D.440ml
CO2 content in the inspired air on being markedly increased would:
A.Increase the breathing movements
B.Decrease the breathing movements
C.Bring a state of first slow breathing followed by fast breathing
D.Not at all affect the breathing rate
In case the concentration of oxygen in the tissues were almost as high as at the respiratory surface then:
A.Oxyhaemoglobin would dissociate to supply oxygen to tissues
B.Haemoglobin would combine with more oxygen at respiratory surface
C.Oxyhaemoglobin would not dissociate tosupply oxygen to tissues
D.Carbondioxide will will interfere in the transport of oxygen
