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Environmental Protectio

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

all of these
agricultural insects
agricultural herbs
agricultural pests

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

Thiobacillus
Pseudomonas aeruginosa
Pseudomonas putida
Zoogloea ramigera

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

Ferrobacillus terrooxidans
all of these
T. thiooxidans
T. ferrooxidans

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Environmental Protectio
Which of the following accumulates from factory waste?

Thiobacillus
Pseudomonas aeruginosa
Zoogloea ramigera
Pseudomonas putida

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Environmental Protectio
Which of the following can be used for the removal of color from the effluents of pulp mill?

Phanerochaete chrysosporium
Coriolus versicolor entrapped in calcium alginate beads
Nitrosomonas europaen
Both (a) and (b)

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

mesosaprophytic zone
oligosaprophytic zone
pleosaprophytic zone
none of these

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