Water Pollution General Awareness MCQs | Water Pollution Multiple Choice Questions with Answers

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Questions
1 Which of the following is the physical monitoring of the lake?
A PH
B COD
C BOD
D Only A

Answer: Turbidity
2 Conductivity comes under the ___________ monitoring of the lake.
A Organic
B Biological
C Chemical
D Physical

Answer: Physical
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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

Answer: 174
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

Answer: Conductivity
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

Answer: Soil erosion
7 Pollution enters into the water system in ___________ ways.
A 4
B 3
C 2
D 1

Answer: 4
8 ____________ comes under the chemical monitoring of the lake.
A Detergents
B Pathogens
C Turbidity
D Conductivity

Answer: Detergents
9 Monitoring systems can be carried out by using __________
A Motors
B Automatic sensors
C Automatic motors
D Turbines

Answer: Automatic motors
10 The water temperature should preferably be less than __ degree Celsius.
A 10
B 15
C 25
D 30

Answer: 25
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

Answer: Stripping
12 What is first step of raw water treatment?
A Chlorination
B Filtration
C Coagulation
D Sedimentation

Answer: Sedimentation
13 What is second step of raw water treatment?
A Sedimentation
B Coagulation
C Filtration
D Chlorination

Answer: Coagulation
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

Answer: Fresh 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

Answer: All of the above
18 What is fourth step of raw water treatment?
A Sedimentation
B Coagulation
C Chlorination
D Filtration

Answer: Chlorination
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

Answer: All of the above

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