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MBD PUBLICATION-ECOLOGY AND ENVIRONMENT-QUESTION BANK
- Maximum emission of CO occurs by burning of .
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- A heavy metal pollutant released in automobile exhaust is .
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- The intensity of whisper is around decibels.
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- is the natural agine of a lake by biological enrichment of its water.
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- Damaged and electronic goods are known as .
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- Thickness of ozone is measured in terms of units.
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- atom of chloro-fluorocarbon degrades ozone.
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- A high does of UT-B radiation causes inflammation of cornea called ca...
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- is a process by which bildegradeble organic wastes are anaerobically d...
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- is method of degradation organic wastes by earthworm.
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- is an Indian city that generates the largest garbage.
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- Bhopal gas tragedy occurred in 1986
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- The solid despersion of aerosisols is called dust.
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- Photochemical smog contains Nox and SO2.
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- COD stands for controlled oxygen demand.
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- Neeri is located at New Delhi.
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- Excess use of fluoride in tooth paste may lead to itai-itai desease.
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- Excess nitrates in drinking water causes minamata disease.
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- Pollution caused by human activities activities is called Arthoropodic...
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- Ozone layer is present in :
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