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ENVIRONMENTAL SCIENCE

Environmental Science
Trichodermaharzianum has proved a useful microorganism for

reclamation of wastelands
bioremediation of contaminated soils
biological control of soil-borne plant pathogens
gene transfer in higher plants

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Environmental Science
The occurrence of pesticides like DDT in higher trophic levels is termed as

biopollution
bioremediation
biological enhancement
biomagnification

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Environmental Science
The study of food chains and food webs is observed in the phenomenon known as

biological magnification
biological chain
energy flow
ecosystem

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Environmental Science
BOD stands for

Biological Oxygen Decrease
Biotic Oxygen Demand
None of these
Biological Oxygen Demand

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Environmental Science
Which book written by Rachel Carson resulted in banning DDT in USA?

The environmentalism
Food chain
Silent spring
Biomagnification

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