Biochemical Oxygen Demand (BOP) in a river water
Biochemical Oxygen Demand (BOP) in a river water
Options
(a) has no relationship with concentration of oxygen in the water (b) gives a measure of Salmonella in the water (c) increases when sewage […]
Biochemical Oxygen Demand (BOP) in a river water
Options
(a) has no relationship with concentration of oxygen in the water (b) gives a measure of Salmonella in the water (c) increases when sewage […]
Measuring Biochemical Oxygen Demand (BOD) is a method used for :
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(a) estimating the amount of organic matter in sewage water (b) working out the efficiency of oil driven automobile engines (c) […]
dB is a standard abbreviation used for the quantitative expression of
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(a) the density of bacteria in a medium (b) a particular pollutant (c) the dominant Bacillus in a culture (d) a […]
Steps taken by the Government of India to control air pollution include
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(a) compulsory PUC (Pollution Under Control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbons (b) permission […]
Which one of the following statements is wrong in case of Bhopal tragedy ?
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(a) Methyl lsocyanate gas leakage took place (b) Thousands of human beings died (c) Radioactive fall out engulfed […]
Which one of the following expanded forms of the following acronyms is correct?
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(a) IPCC = International Panel for Climate Change (b) UNEP = United Nations Environmental Policy (c) EPA = Environmental […]
In an area where DDT had been used extensively, the population of birds declined significantly because:
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(a) birds stopped laying eggs (b) earthworms in the area got eradicated (c) cobras were feeding […]
Which one of the following is not correct as regards the harmful effects of particulate matter of the size 2.5 micro meters or less?
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(a) It can be inhaled into the lungs […]
Which one of the following is the correct percentage of the two (out of the total of 4) green house gases that contribute to the total global warming?
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(a) CFCs 14%, Methane […]
According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health?
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(a) 2.5 or less (b) 1.5 […]
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