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Environmental Science

Environmental Science
Organisms which are predominantly found living on, in or near bed sediments of rivers or lakes are known as

benthic
nektonic
planktonic
neuston

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Environmental Science
The destruction of the forest areas by man made efforts is called

Bio forestation
Deforestation
Afforestation
Non-forestation

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Environmental Science
The earth emits radiation with greatest intensity at:

Visible wavelengths
Radio wavelengths
Ultraviolet wavelengths
Infrared wavelengths

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Environmental Science
_________ are used for converting saline or brackish water into pure distilled water.

Photo voltaic cells
Solar cookers
Solar water-heating
Solar desalination systems

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Environmental Science
In ecological succession from pioneer to climax community, the biomass shall

increase continuously
increase and then decrease
no relation
decrease

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Environmental Science
Total amount of living material at the various trophic levels of a food chain is depicted by pyramids of

numbers
energy
all of these
biomass

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