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One of the useful activities of several ...

One of the useful activities of several bacteria is

A

Nitrogen fixation

B

Nitrification

C

Operation of biogeochemical cycles

D

All of the above

Text Solution

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The correct Answer is:
D

All the above are useful activities of bacteria. Nitrogen fixation bacteria convert atmospheric nitrogen into nitrogenous compound. Ex. Rhizobium – In the root nodules of leguminous plant. Frankia – In the root nodulus of non leguminous plant. Nitrification bacteria – Those bacteria that convert ammonia into nitrite and nitrite. Ex : Nitrosomonas, Nitrococcus and Nitrobacter.
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