[{"id": 1, "type": "multiple_choice", "options": ["A circular loop", "A double helix", "A single strand", "A triple helix"], "question": "What is the structure of DNA?", "correct_answer": "A double helix"}, {"id": 2, "type": "multiple_choice", "options": ["A double helix", "A circular loop", "A single strand", "A triple helix"], "question": "What is the structure of DNA?", "correct_answer": "A double helix"}, {"id": 3, "type": "multiple_choice", "options": ["KE = ½mv²", "KE = mgh", "KE = mc²", "KE = Fd"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}, {"id": 4, "type": "multiple_choice", "options": ["A circular loop", "A single strand", "A triple helix", "A double helix"], "question": "What is the structure of DNA?", "correct_answer": "A double helix"}, {"id": 5, "type": "written_response", "question": "Analyze the key principles related to \"Circuits Quiz\" and explain how they apply in laboratory or real-world settings.", "correct_answer": null}, {"id": 6, "type": "true_false", "question": "In an exothermic reaction, energy is released to the surroundings.", "correct_answer": "True"}, {"id": 7, "type": "multiple_choice", "options": ["Covalent bond", "Metallic bond", "Hydrogen bond", "Ionic bond"], "question": "What type of bond involves the sharing of electrons?", "correct_answer": "Covalent bond"}, {"id": 8, "type": "multiple_choice", "options": ["A triple helix", "A double helix", "A single strand", "A circular loop"], "question": "What is the structure of DNA?", "correct_answer": "A double helix"}]