Which of the following occur without enzymes:
A.Breathing
B.Internal respiration
C.Both (a) & (b)
D.None of these
Category: Respiratory System Physiology Mcqs
The blood absorbs oxygen in respiration with one of these:
A.RBCs production in his body will step up
B.WBCs
C.Plasma
D.Platelets
Because being trapped in ‘dead space’ which of these amounts of inhaled air does not reach alveoli of our lungs:
A.150ml
B.250ml
C.350ml
D.None of these
In which of these forms major amount of carbondioxide is transported in our blood:
A.As bicarbonate ions
B.As sodium carbonate
C.As carbonic acid
D.As carbamino compounds
Cyandies are deadly poisons because they:
A.Decrease the transport of CO2 in the body
B.Decrease the transport of O2 in the body
C.Inactivate enzymes for cellular oxidation and create anoxia of hypoxia
D.Have some other way of working
In the first state of Glycolysis called activation the endproduct formed from glucose is:
A.Glucose-6-phosphate
B.Fructose-6-phosphate
C.Fructose, 1, 6, diphosphate
D.None of these
Which of these steps occur during Glycolysis:
A.Activation of glucose
B.Cleavage
C.Oxidation
D.All of these
Hypoxia accompanied by increased tension of CO2 in the body is:
A.Anoxia
B.Asphyxia
C.Pneumonia
D.None of these
To start the kreb’s cycle, the pyruvic acid formed during Glycolysis is converted into:
A.Acetyl CoA which reacts with oxaloacetic acid to form citric acid
B.Alpha-ketogluteric acid which forms oxaloacetic acid
C.Lactic acid that forms CO2 and H2O
D.None of these
