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Removal of ______________ results from the disinfection of water?
Related MCQs
A standard test for determination of hardness in water is termed as __________ test?
The function of skimming tank in sewage treatment is to remove __________ substances?
Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of__________?
Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur ?
Which of the following is a manmade source of air pollution ?
Workers working in __________ industry are most prone to white lung cancer?
The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel ?
__________ content of the phosphate rock is the pollutant of primary interest in a phosphatic fertiliser plant ?
Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by __________?
Ringelmann chart No. 2 corresponds to __________ percent black smoke?
Global warming may result in __________?
Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of__________?
Which of the following is not a practical method of low level radioactive waste disposal ?
The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the __________?
Which of the following is an adsorbent for removal of nitrogen oxides from gas/air ?
Green house gases blanket/block the infrared radiation from earth’s surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect ?
High noise levels produced during operation of fans and compressors can be reduced by using__________?
Salt content in sea water is about __________ percent?
__________ is the process of killing organism in water ?
Fresh sewage is __________ in nature?
From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm?
Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre?
Which of the following fine dust removal equipments is the most efficient ?
Noise level in a quiet private business office is about __________ decibels?
Which of the following is not a weightless pollutant ?
Noise pollution level in a chemical plant is expressed in __________?
Smog is __________?
Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in ‘gas chamber’ is about __________ ppm?
For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm?
Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?
The term Biological Oxygen Demand (BOD) is used in relation to __________?
The upper layer of atmosphere is called the __________?
CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozone?
The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU)?
Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels?
Disinfection of water is done to remove __________?
In water treatment plant, zeolite process is used to remove the __________ of water?
On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because __________?
There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant ?
Removal of ______________ results from the disinfection of water?
A. Turbidity
B. Odour
C. Hardness
D. Bacteria
Correct Answer:
Bacteria
✔
Last Updated:
March 11, 2019