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Environmental Science

Environmental Science
The term "Biocoenosis" was proposed by

Carl Mobius
None of these
Warming
Transley

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Environmental Science
The term Ecosystem was coined by

Odum
Arthur G Tansley
Clements
Elton

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Environmental Science
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent.

Nitrogen, oxygen
Oxygen, hydrogen
Hydrogen, helium
Hydrogen, oxygen
Nitrogen, water vapor

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Environmental Science
The resources that can be replaced by natural ecological cycle is called

Renewable
exhaustible
natural
non-renewable

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Environmental Science
BOD of a river water is found very high. This means water

is highly polluted
contain Algae
is clear
contain many dissolved minerals

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Environmental Science
Flora is the __________ life occurring in a particular region or time

animal
microbial
plant
human

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