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Environmental Protectio

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

pleosaprophytic zone
oligosaprophytic zone
mesosaprophytic zone
none of these

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

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

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

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

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

Nitrosomonas europaen
growth of hypomicrobium in presence of added methanol
Micrococcus denitrificans cells encapsulated in liquid membranes
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 B
Polyoxin D
Polyoxin C
Polyoxin L

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Environmental Protectio
Which of the following accumulates from factory waste?

Pseudomonas putida
Zoogloea ramigera
Pseudomonas aeruginosa
Thiobacillus

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