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Environmental Protectio

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

T. ferrooxidans
Ferrobacillus terrooxidans
all of these
T. thiooxidans

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Environmental Protectio
Streptomyces griseochromogenes is reported to show a potent curative effect against

rice blast disease
milo of soybean
eye spot of sugarcane
yellow blight of maize

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Environmental Protectio
Which of the following have been used to oxidize ammonia and to prevent algal growth?

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

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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 is known to control Colorado potato beetle?

Verticillium lecauii
Beaveria bassiana
Metarhizium anisopliae
Nomuraea rileyi

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

mesosaprophytic zone
none of these
pleosaprophytic zone
oligosaprophytic zone

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