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
Both (a) and (b)
Growth of Hypomicrobium in presence of added methanol
Nitrosomonas europaen

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

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