Quiz — synthése 3-1.pdf

Question 1 sur 10 20:00

[{"id":3966,"question":"Quelle est la formule de la vitesse moyenne ?","option_a":"v = d\/t","option_b":"v = t\/d","option_c":"v = d×t","option_d":"v = d²\/t","option_e":"","option_f":"","bonne_reponse":"a","explication":"La vitesse moyenne se calcule en divisant la distance parcourue (d) par le temps (t) : v = d\/t.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"v = d\/t\", \"b\": \"v = t\/d\", \"c\": \"v = d×t\", \"d\": \"v = d²\/t\"}}","_debug_options_count":4},{"id":3967,"question":"La photosynthèse se produit-elle uniquement la nuit ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"La photosynthèse nécessite de la lumière, elle se produit donc principalement le jour.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":3968,"question":"Quel est le rôle principal des mitochondries dans la cellule ?","option_a":"Production d’énergie","option_b":"Stockage des nutriments","option_c":"Synthèse des protéines","option_d":"Division cellulaire","option_e":"","option_f":"","bonne_reponse":"a","explication":"Les mitochondries sont les centrales énergétiques de la cellule, produisant de l’ATP (énergie).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Production d’énergie\", \"b\": \"Stockage des nutriments\", \"c\": \"S","_debug_options_count":4},{"id":3969,"question":"La loi de Boyle-Mariotte s’applique-t-elle aux gaz parfaits ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La loi de Boyle-Mariotte (P×V = constante) est une loi fondamentale pour les gaz parfaits à température constante.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":3970,"question":"Quelle est l’unité de mesure de la résistance électrique ?","option_a":"Ohm (Ω)","option_b":"Volt (V)","option_c":"Ampère (A)","option_d":"Watt (W)","option_e":"","option_f":"","bonne_reponse":"a","explication":"L’unité de résistance électrique est l’Ohm, noté Ω.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Ohm (Ω)\", \"b\": \"Volt (V)\", \"c\": \"Ampère (A)\", \"d\": \"Watt (W)\"}}","_debug_options_count":4},{"id":3971,"question":"La division cellulaire mitotique produit-elle des cellules filles génétiquement différentes ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"La mitose produit deux cellules filles génétiquement identiques à la cellule mère.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":3972,"question":"Quel gaz est libéré lors de la réaction entre un acide et un métal ?","option_a":"Oxygène (O₂)","option_b":"Dioxyde de carbone (CO₂)","option_c":"Dihydrogène (H₂)","option_d":"Azote (N₂)","option_e":"","option_f":"","bonne_reponse":"c","explication":"La réaction d’un acide avec un métal produit généralement du dihydrogène (H₂).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"Oxygène (O₂)\", \"b\": \"Dioxyde de carbone (CO₂)\", \"c\": \"Dihydr","_debug_options_count":4},{"id":3973,"question":"La gravité est-elle une force attractive ou répulsive ?","option_a":"Attractive","option_b":"Répulsive","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La gravité est une force attractive, elle attire les objets vers le centre de la Terre.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Attractive\", \"b\": \"Répulsive\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":3974,"question":"Quelle est la formule chimique de l’eau ?","option_a":"H₂O","option_b":"CO₂","option_c":"O₂","option_d":"H₂SO₄","option_e":"","option_f":"","bonne_reponse":"a","explication":"La formule chimique de l’eau est H₂O, composée de deux atomes d’hydrogène et d’un atome d’oxygène.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"H₂O\", \"b\": \"CO₂\", \"c\": \"O₂\", \"d\": \"H₂SO₄\"}}","_debug_options_count":4},{"id":3975,"question":"Les enzymes sont-elles des catalyseurs biologiques ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Les enzymes sont des protéines qui agissent comme des catalyseurs biologiques, accélérant les réactions chimiques dans les cellules.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4}]