Questions in diversity-of-life

Select	Question
	Human symbiotic bacteria help in
	Bacillus megatherium is used in
	Micro-organisms are used in
	The denitrification means
	Waksman got the Nobel Prize for the discovery of
	A compound which is produced by an organism and inhibits the growth of other organism is called
	The decomposition of organic compounds in the presence of $O_2$ without the development of odoriferous substance is
	The chemotherapeutic substance derived from living organism that has an inhibitory effect on parasitic organism is known as
	The bacterial decomposition of nitrogenous organic compounds in the absence of abundant oxygen usually results in the formation of substance of offensive odour, chiefly sulphur compounds. Such anaerobic decomposition is called
	A suspension of killed or attenuated bacteria useful for artificial immunization is