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WorksheetsESDM Module III
Total questions: 20
Worksheet time: 11mins
List the causes of water pollution
Increase in population
Intensive agriculture
growing Industrializatoin
Melting of ice-caps
Which among the following is not a water pollutant
Lead
Iron
Cadmium
Copper
Which among the following is not a point source for water pollution
Sewage Pipes
Leaky gas tanks
Injection Wells
Fertilizer on fields
Pick the after effects of water pollution from the following
Eutrophication
Respiratory Diseases
Decrease in DO
Increased BOD
List the processes involved in preliminary treatment of water
Screening
Grinding
Skimming
Sedimentation
Membrane filtration is used to remove
Micro organisms
Coagulant
Organic Polymers
Metal salt
Which among the following is not a source of thermal pollution
Coal fired power plants
Nuclear Power Plants
Hydroelectric power plants
Industrial Cooling
Pick the fundamentals methods used to control noise pollution
Reduce noise at source
Block path of noise
Protect recipient
Electromagnetic Shield
Which among the following is not a radioactive material
Uranium
Thorium
Pottassium
Magnesium
Measuring BOD is primarily used for
Estimating the types of microbes
Determine the level of dissolved oxygen
Estimating the quantity of organic matter in sewage water
None of the above
Cosmic rays, such as gamma rays are a source of
Soil Pollution
Noise Pollution
Thermal Pollution
Radiation pollution
Which of the following facts are incorrect?
Global warming is the rise in the average temperature of the earth’s climate system
Eutrophication is observed in water bodies
The greenhouse effect is a natural phenomenon
Ozone is harmless to breathe
The presence of _________ in a water body is an indicator of water pollution.
Zygosporangium
E.Coli
Deinococcus radiodurans
None of the above
Carbon dioxide is primarily called a greenhouse gas because
Traps heat
Traps light
Traps warm currents
None of the above
Depletion of the ozone layer is damaging to human health. Negative effects include
Skin cancers
Osteoporosis
Dyspepsia
None of the above
_________ is a waste disposal method where solid organic wastes are converted to the residue and gaseous products through combustion.
Incarnation
Incineration
Incarceration
Incubation
Fish die in water polluted by sewage due to
Pathogen
Reduction in O2
Clogging of gills by silt
Foul smell
Gas leaked during Bhopal tragedy was
Ethyl isothiocyanate
Sodium isothiocyanate
Potassium isothiocyanate
Methyl isocyanate
Which of the following particles is called the particulate pollutants?
Ozone
Radon
Fly Ash
Ethylene
DDT and Aluminium cans are examples of ________.
Primary Pollutants
Secondary pollutants
Biodegradable Pollutants
Non Biodegradable Pollutants
