Which of the following acts as a natural source of air pollution ?

Related Mcqs:

Which of the following is not a natural source of air pollution ?

A. Volcanic eruptions and lightening discharges B. Biological decay of vegetable matter C. Photochemical oxidation of organic matter D. None of these...

TLV of mercury in potable (drinking) water is about ______________ ppm?

A. 0.001 B. 0.1 C. 1 D. 5...

The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant ?

A. Chlorine B. Alkalis C. Benzene hexachloride D. Alkyl benzene sulphonate (ABS)...

A ‘body’ which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the________________?

A. Global warming B. Green house C. Atmospheric effect D. Ionosphere...

Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as________________?

A. Photochemical smog B. Peroxyacetyl nitrate (PAN) or methyl nitrite C. Benzopyrene D. Polyacrylonitrile...