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ENVIRONMENTAL SCIENCE

Environmental Science
Trichodermaharzianum has proved a useful microorganism for

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

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

biopollution
biomagnification
biological enhancement
bioremediation

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

biological chain
biological magnification
ecosystem
energy flow

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Environmental Science
BOD stands for

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

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

The environmentalism
Silent spring
Biomagnification
Food chain

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