The three-mile island is famous as:

1. it hosted the Kyoto protocol
2. it was the site of a large oil spill
3. it was a site of a nuclear accident
4. it hosted the Earth summit

Subtopic:  Agrochemical & Radioactive Waste |
 77%
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Burying the radioactive wastes is not acceptable to many people as:
1. there is a risk of groundwater contamination
2. it may explode
3. it will harm the buried dead bodies
4. it may get accumulated in vegetation

Subtopic:  Agrochemical & Radioactive Waste |
 73%

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The “Polyblend” developed by Ahmad Khan is a:
1. possible solution to accumulating plastic wastes
2. method for dealing with electronic wastes
3. synthetic fiber produced in India
4. organic farming product

Subtopic:  Solid Waste Pollution |
 93%
From NCERT

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Ecological sanitation, also known as 'Ecosan', is a new paradigm in sanitation that:

1.  eliminates the use of conventional pesticides to decrease environmental insult
2.  recognises human excreta and household wastewater as resources that can and are recovered, treated, and reused
3.  emphasises the disposal of solid waste in sanitary landfill sites
4.  emphasises the need for strict legislation against polluting industries.

Subtopic:  Water Pollution |
 81%
From NCERT

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In a water body polluted with biodegradable organic compounds,
1. the BOD and DO content are low
2. the BOD and DO content are high
3. the BOD is low and DO content is high
4. the BOD is high and DO content is low

Subtopic:  Water Pollution |
 82%
From NCERT

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The world’s most problematic aquatic weed, “The terror of Bengal”, is the name given to:

1.  Zostera 2.   Ceratophyllum
3. Eichhornia 4. Parthenium

Subtopic:  Water Pollution |
 93%
From NCERT

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An increase in concentration of the intoxicant at successive trophic levels is known as:

1. Eutrophication 2. Biomagnification
3. Bioremediation 4. Biofortification
Subtopic:  Water Pollution |
 86%
From NCERT

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High concentrations of accumulated DDT in birds:
1. kills pathogens in their blood
2. causes sterility by affecting gametogenesis
3. leads to premature breaking of eggs
4. causes spasticity of the muscles of the body

Subtopic:  Water Pollution |
 94%
From NCERT

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What was added in 1987 as a pollutant to The Air (Prevention and Control of Pollution) Act, [originally passed in 1981]?
1. radioactive wastes
2. CFCs
3. ground level ozone
4. noise

Subtopic:  Air Pollution |
 88%
From NCERT

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Which of the following statements is not true regarding CNG?
1. It is non-polluting
2. It burns more efficiently than petrol and diesel
3. It cannot be siphoned off by thieves
4. It cannot be adulterated

Subtopic:  Air Pollution |
 53%
From NCERT

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