A.There is more and more carbondioxide
B.There is carbonmomonoxide which can bind with Hb 230 times more than oxygen and its pressure of about 0.7 mm Hg is lethal
C.There is more water vapour which makes breathing difficult
D.The air has very low percentage of oxygen
A.Deoxygenation of oxyhaemoglobin is directly proportional to PCO2
B.Oxygen carrying capacity of whole blood is higher than plasma
C.Increase in CO2 concentration decreases O2 affinity of Hb
D.None of these
A.All of the animals need a medium for cellular respiration
B.Oxygen is transported in all animals by blood
C.All animals take oxygen from water or air through lungs or gills
D.All animals need oxygen for their respiration
A.Fructose 1, 6 diphosphate
B.Dihydroxyacetone phosphate
C.Pyruvic acid
D.Citric acid
A.Haemoglobin can combine with oxygen
B.Haemocyanin
C.Cytochrome
D.All of these
A.20.84% of oxygen
B.0.04% of CO2
C.0.5% of water vapour
D.All of these
