Q. No.dB is a standard abbreviation used for the quantitative expression of
1. A particular pollutant
2. The dominant Bacillus in a culture
3. Certain pesticides
4. The density of bacteria in a medium
1. A particular pollutant
2. The dominant Bacillus in a culture
3. Certain pesticides
4. The density of bacteria in a medium
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Which one of the following expanded forms of the following acronyms is correct
1. IPCC= International Panel for Climate Change
2. UNEP = United Nations Environmental Policy
3. EPA = Environmental Pollution Agency
4. IUCN = International Union for Conservation of Nature and Natural Resources
Which one of following pairs of gases are the major cause of "Greenhouse effect"
1. and
2. and CO
3. CFCs and
4. and
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Which one of the following is a wrong statement?
1. Most of the forests have been lost in tropical areas.
2. Ozone in upper part of atmosphere is harmful to animals.
3. Greenhouse effect is a natural phenomenon.
4. Eutrophication is a natural phenomenon in freshwater bodies.
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Measuring Biochemical Oxygen Demand (BOD) is a method used for:
1. estimating the amount of organic matter in sewage water.
2. working out the efficiency of oil driven automobile engines.
3. measuring the activity of Saccharomyces cerevisae in producing curd on a commercial scale.
4. working out the efficiency of RBCs about their capacity to carry oxygen.
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The Air Prevention and Control of Pollution Act came into force in:
1. 1981
2. 1985
3. 1990
4. 1975
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Global warming can be controlled by:
| 1. | Reducing reforestation, increasing the use of fossil fuel. |
| 2. | Increasing deforestation, slowing down the growth of the human population |
| 3. | Increasing deforestation, reducing the efficiency of energy usage. |
| 4. | Reducing deforestation, cutting down the use of fossil fuel |
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