Quiz / assessment generator from learning objectives

Generate a quiz from these learning objectives.

Topic: {{topic}}
Year level / audience: {{audience}}
Learning objectives (paste, one per line): {{objectives}}
Total number of questions: {{question_count}}
Mix I want: {{mix}} (e.g. '50% multi-choice, 30% short-answer, 20% applied/scenario')
Difficulty level: {{difficulty}} (formative check / mid-unit / summative)
Time limit: {{time_limit}}

Return the quiz with:
1. INSTRUCTIONS for the student (1 short paragraph).
2. THE QUESTIONS, numbered, grouped by objective. For each multi-choice question: 4 options, 1 correct, 1 plausible-but-wrong (common misconception), 2 obviously wrong.
3. ANSWER KEY at the end with: correct answer, the misconception each distractor is testing, and 1-line marking guidance for short-answer / applied items.
4. ESTIMATED TIME per question (in seconds), totalling roughly {{time_limit}}.

AU English. No "tricky" questions designed to fail students. Test understanding, not vocabulary.