[{"id": 1, "type": "multiple_choice", "options": ["KE = ½mv²", "KE = mgh", "KE = Fd", "KE = mc²"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}, {"id": 2, "type": "multiple_choice", "options": ["KE = Fd", "KE = mgh", "KE = mc²", "KE = ½mv²"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}, {"id": 3, "type": "multiple_choice", "options": ["KE = Fd", "KE = mgh", "KE = mc²", "KE = ½mv²"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}, {"id": 4, "type": "multiple_choice", "options": ["KE = Fd", "KE = ½mv²", "KE = mc²", "KE = mgh"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}, {"id": 5, "type": "multiple_choice", "options": ["A double helix", "A circular loop", "A triple helix", "A single strand"], "question": "What is the structure of DNA?", "correct_answer": "A double helix"}, {"id": 6, "type": "multiple_choice", "options": ["Ionic bond", "Covalent bond", "Hydrogen bond", "Metallic bond"], "question": "What type of bond involves the sharing of electrons?", "correct_answer": "Covalent bond"}, {"id": 7, "type": "multiple_choice", "options": ["KE = Fd", "KE = ½mv²", "KE = mgh", "KE = mc²"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}, {"id": 8, "type": "multiple_choice", "options": ["A single strand", "A double helix", "A circular loop", "A triple helix"], "question": "What is the structure of DNA?", "correct_answer": "A double helix"}, {"id": 9, "type": "multiple_choice", "options": ["KE = ½mv²", "KE = mc²", "KE = mgh", "KE = Fd"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}, {"id": 10, "type": "multiple_choice", "options": ["A double helix", "A triple helix", "A circular loop", "A single strand"], "question": "What is the structure of DNA?", "correct_answer": "A double helix"}, {"id": 11, "type": "multiple_choice", "options": ["KE = mc²", "KE = ½mv²", "KE = Fd", "KE = mgh"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}, {"id": 12, "type": "multiple_choice", "options": ["KE = mgh", "KE = ½mv²", "KE = mc²", "KE = Fd"], "question": "What is the formula for kinetic energy?", "correct_answer": "KE = ½mv²"}]