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Environmental Protectio

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

pleosaprophytic zone
none of these
mesosaprophytic zone
oligosaprophytic zone

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

T. thiooxidans
Ferrobacillus terrooxidans
all of these
T. ferrooxidans

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

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

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

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

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

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Environmental Protectio
Which of the following is the most effective for the rice sheath blight pathogen, Pellicularia sasakii?

Polyoxin B
Polyoxin C
Polyoxin D
Polyoxin L

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