biological science vs type genus

biological science and type genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
biological science	Yes	No	No	No
type genus	Yes	No	No	No

biological science (noun)	type genus (noun)
the science that studies living organisms	(biology) genus from which the name of a family or subfamily is formed; it is not necessarily the most representative genus but often the largest or best known or earliest described