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Environmental Protectio

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

mesosaprophytic zone
pleosaprophytic zone
none of these
oligosaprophytic zone

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

Metarhizium anisopliae
Nomuraea rileyi
Beaveria bassiana
Verticillium lecauii

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Environmental Protectio
Which of the following accumulates from factory waste?

Zoogloea ramigera
Pseudomonas putida
Thiobacillus
Pseudomonas aeruginosa

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Environmental Protectio
Milbemycin is known to exhibit a broad spectrum of activity against

all of these
agricultural pests
agricultural herbs
agricultural insects

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Environmental Protectio
Which of the following/(s) can be used for the reduction of nitrate in waste water?

Nitrosomonas europaen
Both (a) and (b)
Micrococcus denitrificans cells encapsulated in liquid membranes
Growth of Hypomicrobium in presence of added methanol

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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?

Herbicidin
Cycloheximide
Anisomycin
Bialaphos

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