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

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
Inundation involves use of a/an

large number of organisms over a short time to suppress/destroy a population
organism over a long time to suppress/destroy a population
large number of organisms over a long time to suppress/destroy a population
organism over a short time to suppress/destroy a population

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Environmental Protectio
Phenols degradation in waste water of hospitals, laboratories and coal processing to coke can be achieved by using

cells of Pseudomonas spp. either adsorbed to anthracite coal or entrapped on alginate gel
Phanerochaete chrysosporium
both (a) and (b)
fungus Aureobasidium pullulans adsorbed by the fibrous asbestos

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