Taj Mahal at Agra may be damaged by
H2SO4
Chlorine
Sulphurdioxide
Oxygen
Maximum green house gas is released by whtch of the following country?
USA
India
France
Britain
Non-biodegradable pollution are
Decomposed by mico-organism
Not-decomposed by any organism
Agricultural wastes
Domestic sewage
The result of ozone hole is_______.
Acid rain
UV radiations
Global warming
Green house effect
Which of the following is the most dangerous metal pollutant of automobile exhaust ?
Cadmium
Mercury
Copper
Lead
Volcanic eruption is a type of
Natural pollution
water pollution
Industrial pollution
None of these
PAN is seen in :
Respiration.
Cell division.
Electron transport system.
Mitosis.
Most effective device to remove particulate pollutants ?
Use of ESP.
Use of cyclonic separators.
Use of arresters.
Use of filters.
The amount of oxygen required for oxidation of the biodegradable and non-biodegradable present in water is called :
BOD
CO
Both a and b.
COD
Coral reefs are damaged by
Oil spills
Hot water
All these