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Environmental Protectio

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

mesosaprophytic zone
none of these
oligosaprophytic zone
pleosaprophytic zone

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

agricultural herbs
all of these
agricultural insects
agricultural pests

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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
Micrococcus denitrificans cells encapsulated in liquid membranes
Both (a) and (b)
Nitrosomonas europaen

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

T. ferrooxidans
all of these
T. thiooxidans
Ferrobacillus terrooxidans

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

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

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

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

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