Questions in diversity-of-life

Select	Question
	The main role of bacteria in the carbon cycle involves
	Wine turns sour because of
	The bacteria which convert $NO_3$ $\to$ Free $N_2$ are called as
	A large number of organic compounds can be decomposed by
	Which one of the following bacteria has potential for nitrogen fixation
	The biological process carried on by Rhizobium is called
	Nitrifying bacteria are those which can convert
	Root nodules for nitrogen fixation in nonleguminous trees are produced by species of the genus
	Bacteria which directly convert atmospheric nitrogen into nitrogen compounds are called
	One of the useful activities of several bacteria is