nuclear vs biological science

nuclear is not a noun while biological science is a noun.

Word	Noun	Adjective	Verb	Adverb
nuclear	No	Yes	No	No
biological science	Yes	No	No	No

nuclear (noun)	biological science (noun)
	the science that studies living organisms

nuclear (adjective)	biological science (adjective)
(weapons) deriving destructive energy from the release of atomic energy
of or relating to or constituting the nucleus of an atom
of or relating to or constituting the nucleus of a cell
constituting or like a nucleus