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Free download in PDF Water Pollution General Awareness Multiple Choice Questions & Answers for competitive exams. These Water Pollution Objective Questions with Answers are important for competitive exams like UGC NET, GATE, UPSC, State PSC, SSC, IBPS Specialist Recruitment Test etc.
(1)
Which of the following is the physical monitoring of the lake?
[A]
PH
[B]
COD
[C]
BOD
[D]
Only A
(2)
Conductivity comes under the ___________ monitoring of the lake.
[A]
Organic
[B]
Biological
[C]
Chemical
[D]
Physical
(3)
The central pollution control board and the department of ocean and environment has established __________ stations over the entire coastal line of the country.
[A]
171
[B]
172
[C]
174
[D]
173
(4)
What is the full form of GAP?
[A]
Ganga action pre distribution
[B]
Ganga affected plan
[C]
Ganga affected pre distribution
[D]
Ganga action plan
Answer: Ganga action plan
(5)
Coastal water shows major differences in ___________
[A]
Pollution
[B]
Sewage
[C]
Conductivity
[D]
Salinity
(6)
A large amount of soil can move with the run off called ___________
[A]
Soil moving
[B]
Soil pollution
[C]
Soil conservation
[D]
Soil erosion
(7)
Pollution enters into the water system in ___________ ways.
(8)
____________ comes under the chemical monitoring of the lake.
[A]
Detergents
[B]
Pathogens
[C]
Turbidity
[D]
Conductivity
(9)
Monitoring systems can be carried out by using __________
[A]
Motors
[B]
Automatic sensors
[C]
Automatic motors
[D]
Turbines
(10)
The water temperature should preferably be less than __ degree Celsius.
[A]
10
[B]
15
[C]
25
[D]
30
(11)
A technique used to determine the concentration of odour compounds in a sample is known as
[A]
Chlorination
[B]
Flushing
[C]
Settling
[D]
Stripping
(12)
What is first step of raw water treatment?
[A]
Chlorination
[B]
Filtration
[C]
Coagulation
[D]
Sedimentation
(13)
What is second step of raw water treatment?
[A]
Sedimentation
[B]
Coagulation
[C]
Filtration
[D]
Chlorination
(14)
Step of sewage water treatment in which there is some aeration and organic material is converted to inorganic materials is called
[A]
Primary sewage treatment
[B]
Secondary sewage treatment
[C]
Activated sludge treatment
[D]
Chlorination
Answer: Secondary sewage treatment
(15)
In filtration, the amount of dissolved solids passing through the filters is
[A]
Difference between total solids and suspended solids
[B]
Sum of total solids and suspended solids
[C]
Independent of suspended solids
[D]
None of the above
Answer: Difference between total solids and suspended solids
(16)
According to The United States Geological Survey, water having less than 1000 ml/litre of total dissolved solids is
[A]
Fresh water
[B]
Slightly saline
[C]
Moderately saline
[D]
Brine water
(17)
The Total dissolved solids (TDS) can be reduced by the following method
[A]
Distillation
[B]
Reverse osmosis
[C]
Ion exchange
[D]
All of the above
(18)
What is fourth step of raw water treatment?
[A]
Sedimentation
[B]
Coagulation
[C]
Chlorination
[D]
Filtration
(19)
Step of sewage water treatment in which sewage is placed in tanks and aerated with large blowers is called
[A]
Activated sludge treatment
[B]
Chlorination
[C]
Secondary sewage treatment
[D]
Primary sewage treatment
Answer: Activated sludge treatment
(20)
The following cause alkalinity as well hardness in natural water.
[A]
Calcium carbonate
[B]
Calcium bicarbonate
[C]
Magnesium carbonate
[D]
All of the above
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