Quiz — Lycée Pilote Médenine - DC 3 2016.pdf

Question 1 sur 10 20:00

[{"id":21939,"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 = a × t","option_e":"","option_f":"","bonne_reponse":"b","explication":"La vitesse moyenne se calcule en divisant la distance parcourue (d) par le temps écoulé (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 = a × t","_debug_options_count":4},{"id":21940,"question":"Un acide a un pH inférieur à 7.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un pH inférieur à 7 indique un milieu acide, tandis qu'un pH supérieur à 7 indique un milieu basique.","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":21941,"question":"Quelle partie de la cellule est responsable de la production d'énergie ?","option_a":"Le noyau","option_b":"Les mitochondries","option_c":"Le réticulum endoplasmique","option_d":"L'appareil de Golgi","option_e":"","option_f":"","bonne_reponse":"b","explication":"Les mitochondries sont les organites cellulaires qui produisent de l'énergie sous forme d'ATP.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Le noyau\", \"b\": \"Les mitochondries\", \"c\": \"Le réticulum endoplas","_debug_options_count":4},{"id":21942,"question":"La loi d'Ohm s'exprime par la formule :","option_a":"U = R × I","option_b":"P = U × I","option_c":"E = m × g × h","option_d":"F = m × a","option_e":"","option_f":"","bonne_reponse":"a","explication":"La loi d'Ohm relie la tension (U), la résistance (R) et l'intensité du courant (I) par la formule U = R × I.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"U = R × I\", \"b\": \"P = U × I\", \"c\": \"E = m × g × h\", \"d\": \"F =","_debug_options_count":4},{"id":21943,"question":"Les enzymes sont des molécules qui accélèrent les réactions chimiques.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Les enzymes sont des catalyseurs biologiques qui accélèrent les réactions chimiques sans être consommées.","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":21944,"question":"Quelle est l'unité de mesure de la force ?","option_a":"Le newton (N)","option_b":"Le joule (J)","option_c":"Le watt (W)","option_d":"Le pascal (Pa)","option_e":"","option_f":"","bonne_reponse":"a","explication":"La force se mesure en newtons (N) dans le système international d'unités.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Le newton (N)\", \"b\": \"Le joule (J)\", \"c\": \"Le watt (W)\", \"d\": \"Le","_debug_options_count":4},{"id":21945,"question":"Quel gaz est produit lors de la photosynthèse ?","option_a":"Le dioxygène (O₂)","option_b":"Le dioxyde de carbone (CO₂)","option_c":"L'azote (N₂)","option_d":"Le méthane (CH₄)","option_e":"","option_f":"","bonne_reponse":"a","explication":"La photosynthèse produit du dioxygène (O₂) comme sous-produit, en plus du glucose.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Le dioxygène (O₂)\", \"b\": \"Le dioxyde de carbone (CO₂)\", \"c\":","_debug_options_count":4},{"id":21946,"question":"La tension électrique se mesure avec un voltmètre branché en série.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"Un voltmètre se branche en parallèle pour mesurer la tension électrique entre deux points d'un circuit.","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":21947,"question":"Quelle est la formule de la pression ?","option_a":"P = F \/ S","option_b":"P = F × S","option_c":"P = m \/ V","option_d":"P = V \/ m","option_e":"","option_f":"","bonne_reponse":"a","explication":"La pression se calcule en divisant la force (F) par la surface (S) sur laquelle elle s'applique.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"P = F \/ S\", \"b\": \"P = F × S\", \"c\": \"P = m \/ V\", \"d\": \"P = V \/ m\"","_debug_options_count":4},{"id":21948,"question":"Les chromosomes sont constitués principalement d'ADN.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Les chromosomes sont des structures cellulaires composées principalement d'ADN et de protéines.","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}]