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Biology
Types of pollutants
Photochemical smog was first observed in-
A. Los Angeles
B. Tokyo
C. New York
D. Sydney
Biology
Types of pollutants
What are biodegradable pollutants?


Biology
Types of pollutants
Differentiate between biodegradable and non-biodegradable pollutants.
Biology
Types of pollutants
Nobel Prize was awarded to PaulMuller, on the discovery of which of the following pesticides?
A. Malathion
B. Parathion
C. Pyrethrum
D. DDT
Biology
Types of pollutants
PAN (Peroxyacetyl nitrate) is an important constituent of photochemical smog. It is
A. Primary pollutant
B. Secondary pollutant
C. Natural pollutant
D. Corollary pollutant
Biology
Types of pollutants
PAN is
A.Peroxide Acetic Nitrate
B. PeroxyAcetyl Nitrate
C. PeroxyAcetic Nitrate
D.None of the above
Biology
Types of pollutants
Which are visible pollutants known to you?
Biology
Types of pollutants
Which of the following are non-degradable pollutants?
A. Mercuric salts
B. Long-chain phenolics
C. DDT
D. All of the above
Biology
Types of pollutants
Photochemical smog consists of
A) $O_3$, $SO_2$ and hydrocarbons
B) $O_3$ , PAN and $NO_X$
C) $SO_2$,$CO_2$ and hydrocarbons
D) $SO_2$, PAN and Smoke

Biology
Types of pollutants
A mutagenic pollutant is
1. Organophosphates
2. Resins
3. Hydrocarbons
4. Nitrogen oxides
Biology
Types of pollutants
The PAN (peroxyacetyl nitrate) is an important constituent of photochemical smog, however, it is a
A. Corollary pollutant
B. Primary pollutant
C. Natural pollutant
D. Secondary pollutant
Biology
Types of pollutants
One of the following acts as a secondary pollutant
A) $Br_2$
B) $o_3$
C) $Cl_2$
D) CO

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