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Environmental Science

Environmental Science
In grazer food chain the living plants are directly

decayed
consumed
grown
destroyed

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Environmental Science
Mulching helps in

soil sterility
moisture conservation
improvements soil structure
soil fertility

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Environmental Science
The ratio of the mass of water vapour in a given volume (parcel) of air to the mass of the remaining dry air describes the:

Dew point
Relative humidity
Mixing ratio
Absolute humidity

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Environmental Science
Soil erosion can be prevented by

Afforestation
Overgrazing
Deforestation
Removal of vegetation

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Environmental Science
One greenhouse gas contributes 14% to total global warming and another contributes 6%. These are respectively identified as

CFCs and N2O
Methane and CO2
N2O and CO2
CFCs and CO2
Methane and CFCs

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Environmental Science
Air pollution can be of

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

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MORE MCQ ON Environmental Science

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