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ENVIRONMENTAL SCIENCE

Environmental Science
Trichodermaharzianum has proved a useful microorganism for

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

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

bioremediation
biological enhancement
biopollution
biomagnification

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

biological magnification
ecosystem
biological chain
energy flow

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Environmental Science
BOD stands for

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

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

Biomagnification
Food chain
Silent spring
The environmentalism

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