Referencing individual choices in multiple response questions

Hi members,

Is there a better way of referencing to individual choices in multiple
response questions in deciding relevance? For instance: if Q1 asks to
select multiple crops grown by respondent; and Q2 tries to tell the
quantities of production for each of the selected crops in Q1; ensuring
that all crops that were not selected in Q1 are skipped in Q2 under
quantities.

Thanks for the prompt guidance.

HUMPHREYS

“Whenever you find you are on the side of the majority, it is time to
pause and reflect."
--Mark Twain