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Environmental Science

Environmental Science
_________ mixed with diesel reduces carbon monoxide emissions up to 50%.

Methanol
Ethanol
Alcohol
Phenol

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Environmental Science
An example of nitrogen fixing bacteria in the soil

Azotobacter
Rhizobium
Nitrobacter
Nostoc

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Environmental Science
What is lotic habitat?

Running water habitat
Standing or still water habitat
Stagnant water
Marine habitat

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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
A high Biological Oxygen Demand (BOD) indicates that:

High level of microbial pollution
absence of microbial action
Low level of microbial pollution
water is pure

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Environmental Science
The crack marked on a glacier due to splitting of ice is called

watershed
delta
crevasses
glacier

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MORE MCQ ON Environmental Science

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