No words given but produced synonyms include manufacture
make
construct
build
fabricate
put together
assemble
turn out
bring out
process
create
mass-produce
churn out
For multiple choice questions, just cancel out words that do not mean produced, and if you are stuck say each word in a sentence that used the word produced
For example
My plant outside produces oxygen for me
Fill in whatever word you have from the answer choices and see if it fits
For example
My plant outside churns out oxygen for me
Or
My plant outside creates oxygen for me