Quiz — 4 DEV BAC SC CORR CON3 40P GROUPE.pdf

Question 1 sur 10 20:00

[{"id":42275,"question":"Quelle est la formule de la vitesse moyenne en physique ?","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 par la distance parcourue divisée par le temps écoulé : v = d \/ 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":42276,"question":"En chimie, la loi de Lavoisier stipule que :","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La loi de Lavoisier (conservation de la masse) indique que la masse totale des réactifs est égale à celle des produits dans une réaction chimique.","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":42277,"question":"Quel est le rôle principal des chloroplastes dans une cellule végétale ?","option_a":"Production d’énergie (respiration cellulaire)","option_b":"Synthèse de la chlorophylle","option_c":"Photosynthèse","option_d":"Stockage des nutriments","option_e":"","option_f":"","bonne_reponse":"c","explication":"Les chloroplastes contiennent de la chlorophylle et sont le siège de la photosynthèse, permettant la production de glucose à partir de lumière.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"Production d’énergie (respiration cellulaire)\", \"b\": \"Synthès","_debug_options_count":4},{"id":42278,"question":"La tension électrique se mesure en :","option_a":"Ampères (A)","option_b":"Volts (V)","option_c":"Ohms (Ω)","option_d":"Watts (W)","option_e":"","option_f":"","bonne_reponse":"b","explication":"L’unité de mesure de la tension électrique est le volt (V), symbolisé par la lettre U dans les formules.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Ampères (A)\", \"b\": \"Volts (V)\", \"c\": \"Ohms (Ω)\", \"d\": \"Watts (W","_debug_options_count":4},{"id":42279,"question":"En génétique, un gène est :","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un gène est une séquence d’ADN qui code pour une protéine ou une fonction biologique spécifique.","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":42280,"question":"Quelle est la formule de la loi d’Ohm ?","option_a":"U = R \/ I","option_b":"U = R × I","option_c":"I = U × R","option_d":"R = U × I","option_e":"","option_f":"","bonne_reponse":"b","explication":"La loi d’Ohm s’écrit U = R × I, où U est la tension, R la résistance et I l’intensité du courant.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"U = R \/ I\", \"b\": \"U = R × I\", \"c\": \"I = U × R\", \"d\": \"R = U × ","_debug_options_count":4},{"id":42281,"question":"Quel phénomène explique la formation des montagnes ?","option_a":"Érosion","option_b":"Sédimentation","option_c":"Tectonique des plaques","option_d":"Glaciation","option_e":"","option_f":"","bonne_reponse":"c","explication":"La formation des montagnes est principalement due aux mouvements des plaques tectoniques (orogenèse).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"Érosion\", \"b\": \"Sédimentation\", \"c\": \"Tectonique des plaques\", ","_debug_options_count":4},{"id":42282,"question":"En biologie, la méiose permet :","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La méiose est une division cellulaire qui réduit de moitié le nombre de chromosomes, produisant des gamètes (spermatozoïdes et ovules).","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":42283,"question":"Quelle est l’unité de mesure de la puissance électrique ?","option_a":"Joule (J)","option_b":"Watt (W)","option_c":"Newton (N)","option_d":"Pascal (Pa)","option_e":"","option_f":"","bonne_reponse":"b","explication":"La puissance électrique s’exprime en watts (W), symbolisée par P dans les formules.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Joule (J)\", \"b\": \"Watt (W)\", \"c\": \"Newton (N)\", \"d\": \"Pascal (Pa)","_debug_options_count":4},{"id":42284,"question":"En chimie, une réaction exothermique libère :","option_a":"De l’énergie sous forme de chaleur","option_b":"Du dioxygène","option_c":"Un gaz inerte","option_d":"De la lumière uniquement","option_e":"","option_f":"","bonne_reponse":"a","explication":"Une réaction exothermique est une réaction chimique qui libère de l’énergie thermique (chaleur) vers l’environnement.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"De l’énergie sous forme de chaleur\", \"b\": \"Du dioxygène\", \"c\"","_debug_options_count":4}]