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Environmental Protectio

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

oligosaprophytic zone
none of these
pleosaprophytic zone
mesosaprophytic zone

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

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

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

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

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Environmental Protectio
Which of the following accumulates from factory waste?

Pseudomonas aeruginosa
Zoogloea ramigera
Pseudomonas putida
Thiobacillus

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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
Nitrosomonas europaen
Both (a) and (b)

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

Polyoxin L
Polyoxin B
Polyoxin D
Polyoxin C

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