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Environmental Protectio

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

none of these
pleosaprophytic zone
mesosaprophytic zone
oligosaprophytic zone

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Environmental Protectio
Which of the following can be used for the removal of color from the effluents of pulp mill?

Both (a) and (b)
Nitrosomonas europaen
Coriolus versicolor entrapped in calcium alginate beads
Phanerochaete chrysosporium

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

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

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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?

Herbicidin
Anisomycin
Cycloheximide
Bialaphos

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Environmental Protectio
Which of the following accumulates from factory waste?

Pseudomonas putida
Thiobacillus
Pseudomonas aeruginosa
Zoogloea ramigera

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Environmental Protectio
The rate of degradation and microbes resistance to toxic pollutants remain better when the

mixed cell population along with metals is used
individual cell is used
individual cell along with metal is used
mixed cell population is used

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