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Environmental Science

Environmental Science
The effect of interspecific competition on niches is to make them

larger
smaller
change location
more triangular

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Environmental Science
Nitrogen gas returns to the atmosphere by the action of

Nitrogen fixing bacteria
Nitrate fertilizers
Denitrifying bacteria
Nitrifying bacteria

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Environmental Science
Percentage of forest area recommended by the the national forest policy for plains is

0.3
0.33
0.67
0.1

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Environmental Science
DDT is a ______________ pollutant

Naturally degradable
Biodegradable
Un-biodegradable
Non biodegradable

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Environmental Science
Complex interlinked food chains are called

Food net work
Trophiclevels
Food Web
Food pyramid

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Environmental Science
Radiations are harmful as it

is unstable
causes anemia
causes skin cancer
alters body tissues

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MORE MCQ ON Environmental Science

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