[{"id": 1, "type": "multiple_choice", "options": ["Nucleus", "Cell membrane", "Mitochondria", "Ribosome"], "question": "What organelle is known as the \"powerhouse of the cell\"?", "correct_answer": "Mitochondria"}, {"id": 2, "type": "multiple_choice", "options": ["NaCl", "H₂O", "O₂", "CO₂"], "question": "What is the chemical symbol for water?", "correct_answer": "H₂O"}, {"id": 3, "type": "multiple_choice", "options": ["Mitochondria", "Ribosome", "Cell membrane", "Nucleus"], "question": "What organelle is known as the \"powerhouse of the cell\"?", "correct_answer": "Mitochondria"}, {"id": 4, "type": "multiple_choice", "options": ["Nucleus", "Mitochondria", "Cell membrane", "Ribosome"], "question": "What organelle is known as the \"powerhouse of the cell\"?", "correct_answer": "Mitochondria"}, {"id": 5, "type": "written_response", "question": "Explain the scientific concept covered in \"Genetics Basics Quiz\" and provide a real-world example.", "correct_answer": null}, {"id": 6, "type": "written_response", "question": "Explain the scientific concept covered in \"Genetics Basics Quiz\" and provide a real-world example.", "correct_answer": null}, {"id": 7, "type": "multiple_choice", "options": ["O₂", "H₂O", "NaCl", "CO₂"], "question": "What is the chemical symbol for water?", "correct_answer": "H₂O"}, {"id": 8, "type": "multiple_choice", "options": ["O₂", "H₂O", "CO₂", "NaCl"], "question": "What is the chemical symbol for water?", "correct_answer": "H₂O"}]