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Environmental Science

Environmental Science
Air pollution can be of

natural origin
both a and b
artificial or man made origin
b only

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Environmental Science
First Biosphere reserve in India

Nilgiri
Agastyamala
Chinnar
Eravikulam

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Environmental Science
_________ element had guided the earlier navigators to keep them on right path.

Magnetite
Carbon
Coal
Uranium

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Environmental Science
Green Land biome

Taiga
Thaar
Pampas
Tundra

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Environmental Science
Industrial melanism is an example of

darkening of skin due to industries
drug resistance
protective resemblance with the surrounding
defensive adaptation of skin against UV radiations

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

Nitrogen fixing bacteria
Nitrifying bacteria
Nitrate fertilizers
Denitrifying bacteria

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MORE MCQ ON Environmental Science

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