Q. No.Bhopal gas tragedy of 1984 took place because methyl isocyanate reacted with
1. DDT
2. Ammonia
3.
4. Water
1. DDT
2. Ammonia
3.
4. Water
Which one of the following is mismatched?
1. Fossil fuel burning - Release of
2. Nuclear power - Radioactive wastes
3. Solar energy - Green house effect
4. Biomass burning - Release of
Identify the correctly matched pair
1. Basel convention - Biodiversity conservation
2. Kyoto protocol - Climate change
3. Montreal protocol - Global warming
4. Ramsar convention - Ground water pollution
Which one of the following is not used for disinfection of drinking water?
1. Chlorine
2. Ozone
3. Chloramine
4. Phenyl
Limit of BOD prescribed by Central Pollution Control Board for discharge of industrial and municipalwaste waters into natural surface waters is
1. < 3.0 ppm
2. < 10 ppm
3. < 30 ppm
4. < 100 ppm
Montreal protocol which calls for appropriate action to protect the ozone layer from human activitieswas passed in year
1. 1985
2. 1986
3. 1987
4. 1988
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Blue-baby syndrome results from
1. Excess of ODS
2. Excess of chlorides
3. Excess of dissolved oxygen
4. Methaemoglobin
In which one of the following the BOD (Biochemical oxygen demand) of sewage (s), distellary effluent(DE), paper mill effluent (PE) and sugarmill effluent (SE) have been arranged in ascending order.
1. SE < PE < S < DE
2. PE < S < SE < DE
3. S < DE < PE < SE
4. SE < S < PE < DE
In coal fired power plants, electrostatic precipitators are fitted to control emission of:
1.
2. CO
3. SPM
4.
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