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Environmental Science

Environmental Science
The source of aerosol in upper atmosphere is

petroleum based industries
jet planes
ruminants
sea currents

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Environmental Science
Increased surface UV leads to increased __________ ozone

exospheric
lonospheric
stratospheric
tropospheric

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Environmental Science
The formation of a climax community from an abandoned farm land is a an example of

Autogenic succession
Secondary succession
Allogenic succession
Primary succession

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Environmental Science
The unit of measurement of intensity of sound is in _________

Decibels
Parsec
Candela
Lux

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Environmental Science
Bio gas generation is mainly based on the principle of

Purification
Biodegradation
Fermentation
Sedimentation

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Environmental Science
Ecotype is a type of species in which environmentally induced variations are

Genetically fixed
None of these
Genetically not related
Temporary

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