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Environmental Protectio

Environmental Protectio
Milbemycin is known to exhibit a broad spectrum of activity against

agricultural pests
all of these
agricultural herbs
agricultural insects

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Environmental Protectio
Which of the following microorganisms leach metals out of rock ores and can accumulate silver?

Zoogloea ramigera
Thiobacillus
Pseudomonas putida
Pseudomonas aeruginosa

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

none of these
mesosaprophytic zone
pleosaprophytic 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?

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

Cycloheximide
Anisomycin
Bialaphos
Herbicidin

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

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

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