Quiz — Lycée Pilote Sfax - DC 1 2017.pdf

Question 1 sur 10 20:00

[{"id":31830,"question":"Quelle est la formule de la vitesse moyenne ?","option_a":"v = d × t","option_b":"v = d \/ t","option_c":"v = t \/ d","option_d":"v = d + t","option_e":"","option_f":"","bonne_reponse":"b","explication":"La vitesse moyenne se calcule en divisant la distance parcourue (d) par le temps (t).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"v = d × t\", \"b\": \"v = d \/ t\", \"c\": \"v = t \/ d\", \"d\": \"v = d + t\"","_debug_options_count":4},{"id":31831,"question":"Un circuit électrique en série a une tension totale de 12 V et deux résistances de 4 Ω et 8 Ω. Quelle est la tension aux bornes de la résistance de 4 Ω ?","option_a":"4 V","option_b":"8 V","option_c":"6 V","option_d":"12 V","option_e":"","option_f":"","bonne_reponse":"a","explication":"Dans un circuit en série, la tension se répartit proportionnellement aux résistances. La tension aux bornes de la résistance de 4 Ω est (4\/(4+8)) × 12 V = 4 V.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"4 V\", \"b\": \"8 V\", \"c\": \"6 V\", \"d\": \"12 V\"}}","_debug_options_count":4},{"id":31832,"question":"Vrai ou Faux ? La photosynthèse permet aux plantes de produire de l’oxygène.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La photosynthèse est le processus par lequel les plantes produisent de l’oxygène à partir de dioxyde de carbone et de lumière.","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":31833,"question":"Quelle est l’unité de mesure de la force dans le système international ?","option_a":"Newton (N)","option_b":"Watt (W)","option_c":"Joule (J)","option_d":"Pascal (Pa)","option_e":"","option_f":"","bonne_reponse":"a","explication":"L’unité de mesure de la force dans le système international est le Newton (N).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Newton (N)\", \"b\": \"Watt (W)\", \"c\": \"Joule (J)\", \"d\": \"Pascal (Pa)","_debug_options_count":4},{"id":31834,"question":"Vrai ou Faux ? La cellule animale possède une paroi cellulaire.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"Contrairement à la cellule végétale, la cellule animale ne possède pas de paroi cellulaire.","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":31835,"question":"Quelle est la charge électrique d’un proton ?","option_a":"Nulle","option_b":"+1","option_c":"-1","option_d":"+2","option_e":"","option_f":"","bonne_reponse":"b","explication":"Un proton porte une charge électrique positive égale à +1 (en unités de charge élémentaire).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Nulle\", \"b\": \"+1\", \"c\": \"-1\", \"d\": \"+2\"}}","_debug_options_count":4},{"id":31836,"question":"Dans un mouvement rectiligne uniforme, l’accélération est :","option_a":"Constante","option_b":"Nulle","option_c":"Variable","option_d":"Négative","option_e":"","option_f":"","bonne_reponse":"b","explication":"Dans un mouvement rectiligne uniforme, la vitesse est constante, donc l’accélération est nulle.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Constante\", \"b\": \"Nulle\", \"c\": \"Variable\", \"d\": \"Négative\"}}","_debug_options_count":4},{"id":31837,"question":"Vrai ou Faux ? La respiration cellulaire produit de l’énergie sous forme d’ATP.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La respiration cellulaire permet aux cellules de produire de l’ATP, la molécule d’énergie utilisée par l’organisme.","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":31838,"question":"Quelle est la formule chimique de l’eau ?","option_a":"H2O2","option_b":"CO2","option_c":"H2O","option_d":"O2","option_e":"","option_f":"","bonne_reponse":"c","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\": \"c\", \"options\": {\"a\": \"H2O2\", \"b\": \"CO2\", \"c\": \"H2O\", \"d\": \"O2\"}}","_debug_options_count":4},{"id":31839,"question":"Vrai ou Faux ? La gravité est une force attractive entre deux masses.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La gravité est une force fondamentale qui attire les objets ayant une masse les uns vers les autres.","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}]