…………..atom has the ability to destroy a large amount of ozone.
a) carbon
b) fluorine
c) oxygen
d) chlorine
Effects of Air Pollutants:-
………is a colorless, odorless, non-irritating but very poisonous gas.
a) CO
b) CO2
c) SO2
d) NO2
CO effects the…………..system.
a) respiratory
b) excretory
c) both a & b
d) none of these
Haemoglobin has more affinity for………to bind with itself than for oxygen.
a) carbon dioxide
b) sulphur dioxide
c) carbonmonoxide
d) nitrogen dioxide
CO combines with haemoglobin and reduces the …………..carrying capacity of blood.
a) carbon
b) oxygen
c) hydrogen
d) helium
