Difference between 'quite' and 'give up'

[Fenga]

English Synonym, Elementary Level

ESL/EFL Test #62 "Synonyms for quit", question 5

You have to ......... smoking because it's not good for you!

(a) leave
(b) quit
(c) abandon
(d) resign

English Synonym, Elementary Level

ESL/EFL Test #62 "Synonyms for quit", answer 5

You have to quit smoking because it's not good for you!

Correct answer: (b) quit
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hi!
what's the difference between quit and give up? Both verbs have the meaning of stop doing something.
So in this case would be possible to use give up?

milene

[Conchita]

You are right: both verbs quit and give up mean to stop doing something (quit being informal).

Therefore, you can also give up smoking.