What does the cryptic crossword clue "In short test, four or six quiz questions perhaps (6)" mean?

The wordplay uses a deletion. IV (synonym="four") in TRIA (synonym="TRIA") = TRIVIA The answer is TRIVIA.

In short test, four or six quiz questions perhaps (6)

Guardian Cryptic #29303 | 6 Down | 2024-02-12 flower