question sheet vs examination

question sheet and examination both are nouns.

Word	Noun	Adjective	Verb	Adverb
question sheet	Yes	No	No	No
examination	Yes	No	No	No

As nouns, examination is a hypernym of question sheet; that is, examination is a word with a broader meaning than question sheet:

Other hypernyms of question sheet include exam, test.

question sheet (noun)	examination (noun)
a written examination	the act of examining something closely (as for mistakes)
	the act of giving students or candidates a test (as by questions) to determine what they know or have learned
	a detailed inspection of your conscience (as done daily by Jesuits)
	a set of questions or exercises evaluating skill or knowledge
	formal systematic questioning