Environmental Protectio
Which of the following have been used to oxidize ammonia and to prevent algal growth?

growth of hypomicrobium in presence of added methanol
Both (a) and (b)
Nitrosomonas europaen
Micrococcus denitrificans cells encapsulated in liquid membranes

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Environmental Protectio
Inundation involves use of a/an

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

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