Q.

Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills?

A. Pseudomonas
B. Agrobacterium
C. Clostridium
D. Nitrosomonas
Answer» D. Nitrosomonas
Explanation: Nitrosomonas is a genus comprising rod shaped chemoautotrophic bacteria. This rare bacteria oxidizes ammonia into nitrite as a metabolic process. Nitrosomonas are useful in treatment of industrial and sewage waste and in the process of bioremediation.
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Biology (GK)

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