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Environmental Science

Environmental Science
Ganga Action Plan in India was launched in the year _________

1978
1986
1988
1980

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

Nitrogen fixing bacteria
Nitrifying bacteria
Denitrifying bacteria
Nitrate fertilizers

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Environmental Science
The method of simultaneous integration of trees with agricultural crops is called

Agro forestry
Combined culture
Deforestation
Reforestation

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Environmental Science
Mulching helps in

soil sterility
moisture conservation
soil fertility
improvements soil structure

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Environmental Science
This is used as a guide to planting and for determining the approximate date for harvesting crops:

Heating degree-days
Cooling degree-days
Growing degree-days
Mean annual temperature

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Environmental Science
The supersonic jets cause pollution by the thinning of

O2 layer
CO2 layer
SO2 layer
O3 layer

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MORE MCQ ON Environmental Science

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