PPSC Chemistry Part V Environmental Chemistry Online Test With Answers

PPSC Chemistry Part V Environmental Chemistry Online Test

Sr. # Questions Answers Choice
1 Ozone filters out radiation below. <div> o</div>1000 A <div> o</div><div>2000 A</div> <div> o</div><div>3000 A</div> <div> o</div>4000 A
2 Which of the following gas protects us form harmful effect of uv radiation. SO2 NO2 CO O3
3 Which of the following is a non degradable pollutant. Long chain phenoiics DDT Mercuric salts All above
4 SO2 is generated from which of the following industry. Drying and packing Paper Pulp paper and pulp
5 Commercial incinerators produce. Smoke CO NOx All above
6 Which of the following substance is released into environment in the nuclear power plants. Iodine -131 Argon - 41 Sr-90 Cs- 137 All above
7 Which of the following pollutant is generated from combustion of fuel. Smoke SO2 CO2 Metallic oxides All above
8 Which of the following substance act as photochemical oxidant Ozone NOx peroxyacetyl nitrate All above
9 Which of the following agrochemical acts as pollutant. Fertilizers Weedicides Herbicides All above
10 Which of the following metal acts as pollutant. Hg Pb Zn Ni All above
11 Which of the following substance acts as gaseous pollutant. NO NO2 CO SO2 All above
12 Which of the following acids acts as acid waste from coal mines. HCl HNO3 CH3COOH H3PO4
13 Which of the following substances act as pollutant. Oils Greases Toxins All above
14 Pesticide residues appear in which of the following foods. Milk Fruit Fish Vegetables All above
15 Which of the following is an important aspect of industrial ecology. Minimising air emissions Minimising liquid waste Recycling after use All above
16 Which of the following is domain of industrial ecology. The materials extractor The materials processor The consumer All of above
17 Which of the following statement is not correct with respect to hydrolytic cycle. It is the major constituent of the lithosphere Water covers about 83% of the earth's surface it is essential requirement of all the organisms Water covers about 73% of the ear5th's surface.
18 Which of the following process is involved in nitrogen flotation Non symmetric fixation of nitrogen Fixation by soil bacteria Fixation by yeast Fixation by blue green algae All above
19 Which of the following process is involved in getting back nitrogen into atomosphere. Nitrification Denitricication Ammonification All above
20 Which of the following substance is most abundant of all components of atmospheric air. O2 N2 CO2 A2
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