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Environmental Science

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

Carbon
Uranium
Coal
Magnetite

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Environmental Science
The most harmful of ultraviolet radiation is

UV-C,
UV-A,
All the above.
UV-B,

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Environmental Science
Example of primary pollutant

hydrocarbons
NO2
CO
SO2

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

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

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Environmental Science
Green House effect is caused by

Increase in CO2
Decrease in CO2
Decrease in O2
Increase in O2

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Environmental Science
_________ is the most commonly used unit of radiation

Becquerel
Curie
Rutherford
Gray

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MORE MCQ ON Environmental Science

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