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Environmental Protectio

Environmental Protectio
The heavily polluted zone of water reservoir is known as

oligosaprophytic zone
none of these
pleosaprophytic zone
mesosaprophytic zone

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Environmental Protectio
Which of the following microorganisms leach metals out of rock ores and can accumulate silver?

Zoogloea ramigera
Thiobacillus
Pseudomonas aeruginosa
Pseudomonas putida

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Environmental Protectio
The rate of degradation and microbes resistance to toxic pollutants remain better when the

individual cell is used
mixed cell population is used
individual cell along with metal is used
mixed cell population along with metals is used

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Environmental Protectio
Which of the following herbicide is known to be effective against perennial shrubs, annual weeds and weeds of rice?

Bialaphos
Anisomycin
Cycloheximide
Herbicidin

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Environmental Protectio
Which of the following is known to control Colorado potato beetle?

Nomuraea rileyi
Verticillium lecauii
Metarhizium anisopliae
Beaveria bassiana

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Environmental Protectio
Which of the bacteria is considered for biological leaching?

T. ferrooxidans
all of these
Ferrobacillus terrooxidans
T. thiooxidans

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