Main pollutant of the Indian coastal water is (A) oil spill (B) municipal sewage (C) industrial effluents (D) aerosols

Main pollutant of the Indian coastal water is (A) oil spill (B) municipal sewage (C) industrial effluents (D) aerosols
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(C) industrial effluents
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Which of the following weeds has been found useful to check water pollution caused by industrial effluents? (1) Partheniurn (2) Elephant grass (3) Water hyacinth (4) Both (1) and (2)

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What are the steps taken before releasing the industrial effluents into water bodies?

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Which of the following is a meteorological hazard ? (A) Avalanche (B) Coastal erosion (C) Landslide (D) Blizzard

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What are the ways of treating industrial effluents? -Geography

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Explain three phases by which treatment of industrial effluents can be done. -Geography

Description : Explain three phases by which treatment of industrial effluents can be done. -Geography

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Explain three phases by which treatment of industrial effluents can be done? -SST 10th

Description : Explain three phases by which treatment of industrial effluents can be done? -SST 10th

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“Treatment of industrial effluents can be done in three phases.” Mention them. -SST 10th

Description : “Treatment of industrial effluents can be done in three phases.” Mention them. -SST 10th

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BOD of raw municipal sewage may be in the range of about __________ mg/litre. (A) 1-2 (B) 5-10 (C) 150-300 (D) 2000-3000

Description : BOD of raw municipal sewage may be in the range of about __________ mg/litre. (A) 1-2 (B) 5-10 (C) 150-300 (D) 2000-3000

Last Answer : (C) 150-300

COD of raw municipal sewage may be in the range of about __________ mg/litre. (A) 1-2 (B) 5-10 (C) 90-120 (D) 1500-2500

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Identify the air pollutant in urban areas which irritates eyes and also respiratory tract of human beings. (A) Particulate matter (B) Oxides of nitrogen (C) Surface ozone (D) Carbon monoxide

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Last Answer : (A) Transport sector 

Irritation in eyes is caused by the pollutant (A) Sulphur di-oxide (B) Ozone (C) PAN (D) Nitrous oxide

Description : Irritation in eyes is caused by the pollutant (A) Sulphur di-oxide (B) Ozone (C) PAN (D) Nitrous oxide

Last Answer : Answer: C

Which of the following is the largest source of water pollution in major rivers of India? (A) Untreated sewage (B) Agriculture run-off (C) Unregulated small scale industries (D) Religious practices

Description : Which of the following is the largest source of water pollution in major rivers of India? (A) Untreated sewage (B) Agriculture run-off (C) Unregulated small scale industries (D) Religious practices

Last Answer : (A) Untreated sewage

The main industrial source of emission of hydrogen sulphide air pollutant is (A) Petroleum refineries (B) Coal based thermal power plants (C) Pulp and paper plant (D) Metallurgical roasting & smelting plant

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Last Answer : (B) Coal based thermal power plants

Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the (A) Industrial chimney exhaust (B) Automobiles exhaust (C) Photochemical reaction in polluted atmosphere (D) Burning of domestic fuel

Description : Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the (A) Industrial chimney exhaust (B) Automobiles exhaust (C) Photochemical reaction in polluted atmosphere (D) Burning of domestic fuel

Last Answer : (B) Automobiles exhaust

Give reason: Sulphur dioxide or sewage is a biodegradable pollutant.

Description : Give reason: Sulphur dioxide or sewage is a biodegradable pollutant.

Last Answer : Sulphur dioxide gets diluted with rainwater and becomes harmless. Sewage is made harmless by biological activity. Hence it is a biodegradable pollutant.

The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by (A) Biological oxygen pond (B) Aerated lagoons (C) Trickling filters (D) Gravity separator having oil skimming devices

Description : The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by (A) Biological oxygen pond (B) Aerated lagoons (C) Trickling filters (D) Gravity separator having oil skimming devices

Last Answer : (D) Gravity separator having oil skimming devices

The arsenic pollution in ground water in Bangladesh and parts of India is due to (A) industrial waste (B) thermal power plants (C) natural sources (D) agricultural practices

Description : The arsenic pollution in ground water in Bangladesh and parts of India is due to (A) industrial waste (B) thermal power plants (C) natural sources (D) agricultural practices

Last Answer : (C) natural sources

Most abundant water pollutant is a) Detergents b) Pesticides c) Industrial wastes d) Ammonia.

Description : Most abundant water pollutant is a) Detergents b) Pesticides c) Industrial wastes d) Ammonia. 

Last Answer : c) Industrial wastes

In order to avoid catastrophic consequences of climate change, there is general agreement among the countries of the world to limit the rise in average surface temperature of earth compared to that of pre-industrial times by

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Last Answer : (A) 1.5 oC to 2 oC

The most comprehensive approach to address the problems of man-environment interaction is one of the following : (A) Natural Resource Conservation Approach (B) Urban-industrial Growth Oriented Approach (C) Rural-agricultural Growth Oriented Approach (D) Watershed Development Approach

Description : The most comprehensive approach to address the problems of man-environment interaction is one of the following : (A) Natural Resource Conservation Approach (B) Urban-industrial Growth Oriented Approach (C) Rural-agricultural Growth Oriented Approach (D) Watershed Development Approach

Last Answer : (D) Watershed Development Approach

The post-industrial society is designated as (A) Information society (B) Technology society (C) Mediated society (D) Non-agricultural society

Description : The post-industrial society is designated as (A) Information society (B) Technology society (C) Mediated society (D) Non-agricultural society 

Last Answer : (A) Information society

When the Exxon Valdez oil spill occurred, technologists "fertilized" the oil-soaked water with _____ to modify the environment and stimulate he growth of naturally occurring microorganisms. a. nitrogen sources (e.g., urea) b. phosphorus compounds c. other mineral nutrients d. A-C above are correct

Description : When the Exxon Valdez oil spill occurred, technologists "fertilized" the oil-soaked water with _____ to modify the environment and stimulate he growth of naturally occurring microorganisms. a. nitrogen sources (e.g., urea) b. phosphorus compounds c. other mineral nutrients d. A-C above are correct

Last Answer : d. A-C above are correct

What do we learn from the oil spill disasters? Pipeline or trains?

Description : What do we learn from the oil spill disasters? Pipeline or trains?

Last Answer : What we learn is that transporting petrochemicals is very dangerous, and because of that it needs to be highly regulated. When the rules are relaxed or overlooked, disaster happens.

What are the updates on the gigantic oil spill of the Gulf?

Description : What are the updates on the gigantic oil spill of the Gulf?

Last Answer : The next step is being taken. On the east coast I have noticed a huge influx of commercials about how beautiful the beaches in Floriada are, come spend your vacation in Florida, etc. At the end ... Florida tourism. They have swept any residual oil affects under the rug or actually, under the ocean.

Are we paying for the oil spill now?

Description : Are we paying for the oil spill now?

Last Answer : answer:I'm sure we are, but gas prices will simply continue to rise here and everywhere as global demand increases. Every day, hundreds of thousands of people buy their first car or motorbike, and oil is ... I think gas in the US is way too cheap compared to the actual cost of fueling our vehicles.