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ENVIRONMENTAL PROTECTIO

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

mesosaprophytic zone
pleosaprophytic zone
none of these
oligosaprophytic zone

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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 is selectively effective against dicot weeds?

Cycloheximide
Anisomycin
Herbicidin A and B
Bialaphos

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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 herbicide is known to be effective against perennial shrubs, annual weeds and weeds of rice?

Bialaphos
Anisomycin
Cycloheximide
Herbicidin

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